| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Oak Beach | city | New York | United States | 40.64 | -73.29 | 0 | |
| Oak Hill | city | New York | United States | 42.41 | -74.15 | 830 | |
| Oak Hill | city | New York | United States | 42.97 | -73.40 | 830 | |
| Oak Hill Landing | city | New York | United States | 42.19 | -73.85 | 98 | |
| Oak Meadows Mobile Home Park | city | New York | United States | 41.48 | -73.98 | 298 | |
| Oak Orchard | city | New York | United States | 43.27 | -78.33 | 400 | |
| Oak Orchard | city | New York | United States | 43.21 | -76.21 | 400 | |
| Oak Orchard Estates | city | New York | United States | 43.26 | -78.20 | 830 | |
| Oak Point | city | New York | United States | 44.51 | -75.75 | 298 | |
| Oak Ridge | city | New York | United States | 42.80 | -74.34 | 1669 | |
| Oak Ridge Park | city | New York | United States | 41.47 | -74.59 | 830 | |
| Oakbrook | city | New York | United States | 41.11 | -74.01 | 298 | |
| Oakdale | city | New York | United States | 42.25 | -73.78 | 167 | |
| Oakdale | city | New York | United States | 40.74 | -73.14 | 13 | |
| Oakes | city | New York | United States | 41.69 | -73.95 | 42 | |
| Oakfield | city | New York | United States | 43.07 | -78.27 | 830 | |
| Oakfield | city | New York | United States | 42.97 | -78.97 | 830 | |
| Oakland | city | New York | United States | 42.58 | -77.97 | 1099 | |
| Oakland Gardens | city | New York | United States | 40.75 | -73.77 | 98 | |
| Oakland Ridge Mobile Home Park | city | New York | United States | 40.94 | -72.71 | 49 | |
| Oakland Valley | city | New York | United States | 41.51 | -74.65 | 830 | |
| Oaks Corners | city | New York | United States | 42.93 | -77.01 | 830 | |
| Oaksville | city | New York | United States | 42.72 | -75.00 | 1669 | |
| Oakvale | city | New York | United States | 44.40 | -75.73 | 298 | |
| Oakville | city | New York | United States | 40.86 | -72.61 | 62 | |
| Oakwood | city | New York | United States | 40.56 | -74.12 | 29 | |
| Oakwood | city | New York | United States | 42.89 | -76.65 | 830 | |
| Oakwood Beach | city | New York | United States | 40.55 | -74.11 | 0 | |
| Oakwood Estates Mobile Home Park | city | New York | United States | 42.52 | -76.97 | 997 | |
| Oakwood Heights Station | city | New York | United States | 40.56 | -74.13 | 42 | |
| Oakwood Terrace | city | New York | United States | 42.99 | -73.85 | 308 | |
| Oakwoods Mobile Home Court | city | New York | United States | 42.19 | -76.06 | 1040 | |
| Oatka | city | New York | United States | 42.72 | -78.09 | 1669 | |
| Obernburg | city | New York | United States | 41.84 | -75.01 | 1853 | |
| Obi | city | New York | United States | 42.09 | -78.26 | 1669 | |
| Occanum | city | New York | United States | 42.09 | -75.70 | 1197 | |
| Occanum Falls Mobile Home Park | city | New York | United States | 42.08 | -75.67 | 1669 | |
| Ocean Bay Park | city | New York | United States | 40.65 | -73.14 | 0 | |
| Ocean Beach | city | New York | United States | 40.65 | -73.16 | 0 | |
| Ocean Point | city | New York | United States | 40.62 | -73.73 | 39 | |
| Oceanside | city | New York | United States | 40.64 | -73.64 | 22 | |
| Oceola Lake | city | New York | United States | 41.34 | -73.80 | 830 | |
| Odell | city | New York | United States | 41.68 | -74.92 | 1256 | |
| Odessa | city | New York | United States | 42.34 | -76.79 | 1056 | |
| Ogden Center | city | New York | United States | 43.17 | -77.80 | 830 | |
| Ogdensburg | city | New York | United States | 44.69 | -75.49 | 272 | |
| Ohio | city | New York | United States | 43.32 | -74.98 | 1669 | |
| Ohioville | city | New York | United States | 41.74 | -74.06 | 400 | |
| Oklahoma Beach | city | New York | United States | 43.24 | -77.52 | 308 | |
| Olbani | city | New York | United States | 42.65 | -73.76 | 68 | |
| Olbanis | city | New York | United States | 42.65 | -73.76 | 68 | |
| Olcott | city | New York | United States | 43.34 | -78.71 | 246 | |
| Old Bethpage | city | New York | United States | 40.76 | -73.45 | 150 | |
| Old Brookville | city | New York | United States | 40.83 | -73.60 | 98 | |
| Old Campbellwood Wye | city | New York | United States | 43.62 | -75.66 | 1896 | |
| Old Central Bridge | city | New York | United States | 42.71 | -74.33 | 830 | |
| Old Chatham | city | New York | United States | 42.44 | -73.56 | 830 | |
| Old City | city | New York | United States | 43.16 | -74.98 | 839 | |
| Old Field | city | New York | United States | 40.96 | -73.13 | 49 | |
| Old Field Mobile Home Park | city | New York | United States | 42.33 | -77.30 | 1099 | |
| Old Forge | city | New York | United States | 43.71 | -74.97 | 1912 | |
| Old Germania Heights | city | New York | United States | 40.71 | -73.91 | 78 | |
| Old Mastic | city | New York | United States | 40.78 | -72.82 | 3 | |
| Old Mill Mobile Home Park | city | New York | United States | 43.22 | -78.48 | 830 | |
| Old Orchard Cove | city | New York | United States | 42.80 | -77.70 | 984 | |
| Old Orchard Point | city | New York | United States | 42.79 | -77.71 | 853 | |
| Old Orchard Trailer Park | city | New York | United States | 41.57 | -74.20 | 360 | |
| Old Place | city | New York | United States | 40.63 | -74.19 | 19 | |
| Old Town Station | city | New York | United States | 40.60 | -74.09 | 72 | |
| Old Westbury | city | New York | United States | 40.79 | -73.60 | 193 | |
| Olean | city | New York | United States | 42.08 | -78.43 | 1669 | |
| Olivebridge | city | New York | United States | 41.93 | -74.22 | 830 | |
| Oliverea | city | New York | United States | 42.07 | -74.46 | 1669 | |
| Olmstedville | city | New York | United States | 43.77 | -73.93 | 1141 | |
| Omar | city | New York | United States | 44.26 | -75.97 | 298 | |
| Omi | city | New York | United States | 42.33 | -73.68 | 298 | |
| Omro | city | New York | United States | 42.78 | -76.43 | 1669 | |
| Onativia | city | New York | United States | 42.89 | -76.09 | 898 | |
| Onchiota | city | New York | United States | 44.49 | -74.12 | 1699 | |
| Oneida | city | New York | United States | 43.09 | -75.65 | 830 | |
| Oneida Castle | city | New York | United States | 43.08 | -75.63 | 830 | |
| Oneida Corners | city | New York | United States | 43.38 | -73.63 | 314 | |
| Oneida Lake Beach East | city | New York | United States | 43.17 | -75.76 | 377 | |
| Oneida Lake Beach West | city | New York | United States | 43.16 | -75.85 | 396 | |
| Oneida Valley | city | New York | United States | 43.15 | -75.72 | 383 | |
| Oneida Village Mobile Home Park | city | New York | United States | 42.45 | -75.11 | 1095 | |
| Oneonta | city | New York | United States | 42.45 | -75.06 | 1095 | |
| Oniontown | city | New York | United States | 41.72 | -73.58 | 396 | |
| Oniontown | city | New York | United States | 43.12 | -75.83 | 380 | |
| Onondaga Castle | city | New York | United States | 42.97 | -76.14 | 830 | |
| Onondaga Hill | city | New York | United States | 43.00 | -76.18 | 830 | |
| Onoville | city | New York | United States | 42.03 | -78.97 | 1669 | |
| Ontario | city | New York | United States | 43.22 | -77.28 | 830 | |
| Ontario Beach | city | New York | United States | 43.26 | -77.61 | 262 | |
| Ontario Center | city | New York | United States | 43.23 | -77.31 | 830 | |
| Ontario on the Lake | city | New York | United States | 43.28 | -77.35 | 298 | |
| Onteo Beach | city | New York | United States | 43.36 | -77.91 | 246 | |
| Onteora Park | city | New York | United States | 42.22 | -74.14 | 2509 | |
| Oot Park | city | New York | United States | 43.06 | -76.03 | 830 | |
| Oppenheim | city | New York | United States | 43.07 | -74.69 | 1036 | |
| Oramel | city | New York | United States | 42.37 | -78.14 | 1669 | |
| Oran | city | New York | United States | 42.98 | -75.93 | 830 | |
| Orange Lake | city | New York | United States | 41.54 | -74.10 | 830 | |
| Orange Lake Mobile Home Park | city | New York | United States | 41.55 | -74.13 | 830 | |
| Orangeburg | city | New York | United States | 41.05 | -73.95 | 98 | |
| Orangeport | city | New York | United States | 43.20 | -78.60 | 830 | |
| Orangeville Center | city | New York | United States | 42.75 | -78.25 | 1728 | |
| Orchard Grove Village Park | city | New York | United States | 43.22 | -77.27 | 830 | |
| Orchard Knoll | city | New York | United States | 42.15 | -76.80 | 997 | |
| Orchard Mobile Home Park | city | New York | United States | 43.42 | -76.58 | 311 | |
| Orchard Park | city | New York | United States | 42.77 | -78.74 | 879 | |
| Orchard Park | city | New York | United States | 42.93 | -73.90 | 830 | |
| Orchard Terrace | city | New York | United States | 42.19 | -79.46 | 1669 | |
| Orchard Village | city | New York | United States | 43.04 | -76.28 | 830 | |
| Oregon | city | New York | United States | 43.56 | -74.12 | 1679 | |
| Oregon | city | New York | United States | 43.26 | -74.65 | 1669 | |
| Oregon | city | New York | United States | 41.33 | -73.87 | 190 | |
| Orient | city | New York | United States | 41.14 | -72.30 | 22 | |
| Orient Point | city | New York | United States | 41.15 | -72.25 | 3 | |
| Orienta | city | New York | United States | 40.94 | -73.73 | 0 | |
| Oriental Park | city | New York | United States | 42.16 | -79.38 | 1669 | |
| Oriskany | city | New York | United States | 43.16 | -75.33 | 830 | |
| Oriskany Falls | city | New York | United States | 42.94 | -75.46 | 997 | |
| Orlando | city | New York | United States | 42.30 | -78.72 | 1689 | |
| Orleans | city | New York | United States | 42.92 | -77.11 | 830 | |
| Orleans Four Corners | city | New York | United States | 44.19 | -75.90 | 400 | |
| Orrs Mill | city | New York | United States | 41.43 | -74.06 | 200 | |
| Orwell | city | New York | United States | 43.57 | -76.00 | 830 | |
| Oscawana | city | New York | United States | 41.23 | -73.91 | 98 | |
| Oscawana Corners | city | New York | United States | 41.38 | -73.86 | 830 | |
| Osceola | city | New York | United States | 43.50 | -75.72 | 1095 | |
| Osgood Landing | city | New York | United States | 42.57 | -76.65 | 380 | |
| Ossian | city | New York | United States | 42.52 | -77.78 | 1669 | |
| Ossining | city | New York | United States | 41.16 | -73.86 | 282 | |
| Oswegatchie | city | New York | United States | 44.18 | -75.07 | 1669 | |
| Oswego | city | New York | United States | 43.46 | -76.51 | 298 | |
| Oswego Beach | city | New York | United States | 43.45 | -76.56 | 288 | |
| Oswego Bitter | city | New York | United States | 43.06 | -76.36 | 830 | |
| Oswego Center | city | New York | United States | 43.41 | -76.53 | 354 | |
| Otego | city | New York | United States | 42.40 | -75.17 | 1128 | |
| Otis | city | New York | United States | 43.16 | -77.65 | 830 | |
| Otis | city | New York | United States | 43.26 | -77.88 | 347 | |
| Otisco | city | New York | United States | 42.86 | -76.22 | 1669 | |
| Otisco Valley | city | New York | United States | 42.83 | -76.23 | 892 | |
| Otisville | city | New York | United States | 41.47 | -74.54 | 830 | |
| Otsdawa | city | New York | United States | 42.48 | -75.17 | 1669 | |
| Otselic | city | New York | United States | 42.72 | -75.72 | 1669 | |
| Otselic Center | city | New York | United States | 42.70 | -75.75 | 1669 | |
| Otter Creek | city | New York | United States | 43.72 | -75.37 | 830 | |
| Otter Hook | city | New York | United States | 42.40 | -73.80 | 180 | |
| Otter Kill | city | New York | United States | 41.38 | -74.29 | 830 | |
| Otter Kill Estates | city | New York | United States | 41.44 | -74.20 | 354 | |
| Otter Lake | city | New York | United States | 43.59 | -75.11 | 1696 | |
| Otto | city | New York | United States | 42.36 | -78.83 | 1669 | |
| Otto Mills | city | New York | United States | 43.60 | -75.82 | 1669 | |
| Ouaquaga | city | New York | United States | 42.13 | -75.65 | 997 | |
| Overlook | city | New York | United States | 43.29 | -73.95 | 1000 | |
| Overlook Estates | city | New York | United States | 41.32 | -74.19 | 830 | |
| Ovid | city | New York | United States | 42.68 | -76.82 | 1000 | |
| Owasco | city | New York | United States | 42.86 | -76.47 | 830 | |
| Owasco Hill | city | New York | United States | 42.73 | -76.46 | 1669 | |
| Owasco Lake Station | city | New York | United States | 42.84 | -76.53 | 830 | |
| Owego | city | New York | United States | 42.10 | -76.26 | 951 | |
| Owego Heights | city | New York | United States | 42.15 | -76.29 | 974 | |
| Owego Heights Mobile Home Park | city | New York | United States | 42.15 | -76.29 | 974 | |
| Owens Mills | city | New York | United States | 42.07 | -76.60 | 1669 | |
| Owls Head | city | New York | United States | 44.73 | -74.17 | 1669 | |
| Owls Nest | city | New York | United States | 43.18 | -77.14 | 830 | |
| Owlsville | city | New York | United States | 42.46 | -74.42 | 1916 | |
| Oxbow | city | New York | United States | 44.29 | -75.62 | 400 | |
| Oxford | city | New York | United States | 41.35 | -74.22 | 830 | |
| Oxford | city | New York | United States | 42.44 | -75.60 | 997 | |
| Oyster Bay | city | New York | United States | 40.87 | -73.53 | 95 | |
| Oyster Bay Cove | city | New York | United States | 40.87 | -73.51 | 19 | |
| Ozone Park | city | New York | United States | 40.68 | -73.84 | 9 |