| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Old Mabilha | city | Toledo | Belize | 16.11 | -89.10 | 249 | 447 |
| Old Mach | city | Balochistan | Pakistan | 29.88 | 67.30 | 3608 | 4212 |
| Old Madaci | city | Nigeria | 10.20 | 4.70 | 830 | 5364 | |
| Old Madison | city | South Carolina | United States | 34.61 | -83.20 | 830 | |
| Old Magodi | city | Eastern | Zambia | -11.95 | 33.17 | 4189 | 1741 |
| Old Mahayag | city | Samar | Philippines | 11.84 | 124.82 | 160 | 26613 |
| Old Makawa | city | Kebbi | Nigeria | 10.53 | 4.67 | 830 | 4654 |
| Old Malden | city | Sutton | United Kingdom | 51.38 | -0.24 | 154 | 296664 |
| Old Malton | city | North Yorkshire | United Kingdom | 54.13 | -0.75 | 196 | 2384 |
| Old Mambwe | city | Northern | Zambia | -9.07 | 32.01 | 5334 | 2892 |
| Old Mammoth | city | California | United States | 37.63 | -118.98 | 8389 | |
| Old Man Bay | city | Cayman Islands | 19.35 | -81.18 | 13 | 9682 | |
| Old Man Village | city | Cayman Islands | 19.35 | -81.18 | 13 | 9682 | |
| Old Mangoase Villages | city | Ghana | 5.95 | -0.28 | 288 | 14085 | |
| Old Mangoasi | city | Ghana | 5.95 | -0.28 | 288 | 14085 | |
| Old Manor | city | Virginia | United States | 37.33 | -79.94 | 1023 | |
| Old Manticao | city | Misamis Oriental | Philippines | 8.40 | 124.28 | 62 | 15045 |
| Old Manunca | city | Samar | Philippines | 11.44 | 125.02 | 167 | 15419 |
| Old Manunda | city | South Australia | Australia | -32.91 | 139.78 | 859 | 0 |
| Old Manyinga | city | North-Western | Zambia | -13.30 | 24.22 | 3599 | 745 |
| Old Marbel Ha | city | Toledo | Belize | 16.10 | -89.10 | 187 | 447 |
| Old Marco Junction | city | Florida | United States | 26.02 | -81.70 | 3 | |
| Old Maria | city | Central | Papua New Guinea | -9.76 | 148.15 | 1758 | 596 |
| Old Marillana | city | Western Australia | Australia | -22.57 | 119.30 | 1669 | 0 |
| Old Mariscal Sucre International Airport | airport | -0.14 | -78.49 | 0 | |||
| Old Marissa | city | Illinois | United States | 38.26 | -89.75 | 830 | |
| Old Maritao | city | Zamboanga del Sur | Philippines | 7.66 | 123.34 | 200 | 25337 |
| Old Markt | city | Salzburg | Austria | 47.38 | 13.42 | 2775 | 4530 |
| Old Marseilles | city | Free State | South Africa | -27.06 | 27.68 | 5029 | 621 |
| Old Marston | city | Oxfordshire | United Kingdom | 51.77 | -1.23 | 252 | 145968 |
| Old Martin Mill Place | city | Arkansas | United States | 35.94 | -91.20 | 226 | |
| Old Mastic | city | New York | United States | 40.78 | -72.82 | 3 | |
| Old Mavanzi | city | Kuando Kubango | Angola | -17.68 | 20.23 | 3448 | 149 |
| Old Mawbray | city | Cumbria | United Kingdom | 54.80 | -3.42 | 22 | 3544 |
| Old Mayfield (historical) | city | Kentucky | United States | 36.89 | -88.92 | 830 | |
| Old Maylene | city | Alabama | United States | 33.19 | -86.86 | 830 | |
| Old Mbungnu | city | Nigeria | 6.95 | 11.12 | 6000 | 3874 | |
| Old McGrath | city | Alaska | United States | 62.97 | -155.58 | 331 | |
| Old McKeal Place | city | Wyoming | United States | 41.59 | -106.96 | 6797 | |
| Old Meldrum | city | Aberdeenshire | United Kingdom | 57.32 | -2.32 | 830 | 13064 |
| Old Merritt | city | Missouri | United States | 36.90 | -92.89 | 1145 | |
| Old Mesaba | city | Minnesota | United States | 47.58 | -92.13 | 1669 | |
| Old Middleton | city | Tennessee | United States | 36.18 | -85.99 | 830 | |
| Old Mikindani | city | Mtwara | Tanzania, United Rep. of | -10.28 | 40.12 | 59 | 38669 |
| Old Mikri Mantineia | city | Peloponnisos | Greece | 36.97 | 22.15 | 229 | 9681 |
| Old Milan | city | Indiana | United States | 39.15 | -85.13 | 997 | |
| Old Milgravis | city | Riga | Latvia | 57.03 | 24.11 | 22 | 169088 |
| Old Mill | city | North Carolina | United States | 35.91 | -80.34 | 830 | |
| Old Mill | city | Virginia | United States | 37.39 | -79.50 | 830 | |
| Old Mill | city | Maryland | United States | 39.12 | -76.62 | 98 | |
| Old Mill Acres | city | Delaware | United States | 38.60 | -75.64 | 19 | |
| Old Mill Bottom Estates | city | Maryland | United States | 39.02 | -76.46 | 49 | |
| Old Mill Chase | city | Georgia | United States | 33.85 | -83.33 | 830 | |
| Old Mill Creek | city | Illinois | United States | 42.42 | -87.97 | 830 | |
| Old Mill Estates | city | South Carolina | United States | 34.93 | -82.31 | 872 | |
| Old Mill Estates | city | Virginia | United States | 38.98 | -77.30 | 298 | |
| Old Mill Farms | city | New Jersey | United States | 40.32 | -74.60 | 88 | |
| Old Mill Forest | city | Virginia | United States | 37.20 | -80.02 | 1223 | |
| Old Mill Gardens | city | Michigan | United States | 42.27 | -85.20 | 908 | |
| Old Mill Grove | city | Illinois | United States | 42.20 | -88.08 | 843 | |
| Old Mill Manor | city | Delaware | United States | 39.69 | -75.70 | 49 | |
| Old Mill Mobile Home Park | city | New York | United States | 43.22 | -78.48 | 830 | |
| Old Mill Park Mobile Home Park | city | California | United States | 36.99 | -121.96 | 68 | |
| Old Mill Pointe | city | Pennsylvania | United States | 39.88 | -75.42 | 98 | |
| Old Mill Subdivision Phase 1-3 | city | Utah | United States | 41.24 | -111.95 | 4396 | |
| Old Mill Trace | city | Alabama | United States | 33.20 | -87.44 | 295 | |
| Old Mill Trace | city | Georgia | United States | 34.94 | -85.18 | 830 | |
| Old Mill Village | city | West Virginia | United States | 37.77 | -81.22 | 2509 | |
| Old Millersburg (historical) | city | Tennessee | United States | 35.70 | -86.35 | 830 | |
| Old Milo | city | Arkansas | United States | 33.29 | -91.89 | 173 | |
| Old Milverton | city | Warwickshire | United Kingdom | 52.28 | -1.55 | 242 | 53642 |
| Old Milwaukee East Colonia | city | Texas | United States | 27.49 | -99.42 | 830 | |
| Old Milwaukee West Colonia | city | Texas | United States | 27.49 | -99.43 | 830 | |
| Old Minburra | city | South Australia | Australia | -32.35 | 139.02 | 866 | 0 |
| Old Mines | city | Missouri | United States | 38.02 | -90.76 | 830 | |
| Old Mingoola | city | Queensland | Australia | -28.98 | 151.52 | 1669 | 303 |
| Old Minto | city | Alaska | United States | 64.89 | -149.17 | 305 | |
| Old Mission | city | Bayelsa | Nigeria | 4.30 | 6.24 | 324 | 13810 |
| Old Mission | city | Michigan | United States | 44.96 | -85.49 | 830 | |
| Old Mkushi | city | Central | Zambia | -14.35 | 29.36 | 3602 | 745 |
| Old Mobo | city | Masbate | Philippines | 12.33 | 123.67 | 72 | 51891 |
| Old Mohales Hoek | city | Lesotho | -30.11 | 27.48 | 5111 | 17256 | |
| Old Mohales Hoek Store | city | Lesotho | -30.11 | 27.48 | 5111 | 17256 | |
| Old Mombasa | city | Mombasa | Kenya | -4.05 | 39.66 | 3 | 455513 |
| Old Monkland | city | North Lanarkshire | United Kingdom | 55.83 | -4.02 | 252 | 47961 |
| Old Monroe | city | Missouri | United States | 38.93 | -90.75 | 830 | |
| Old Monrovia | city | Alabama | United States | 34.77 | -86.71 | 830 | |
| Old Montgomery (historical) | city | Louisiana | United States | 31.66 | -92.90 | 114 | |
| Old Morago | city | New South Wales | Australia | -35.37 | 144.66 | 255 | 0 |
| Old Morley | city | Eastern Cape | South Africa | -31.92 | 28.98 | 1669 | 12200 |
| Old Morrisville | city | South Carolina | United States | 33.60 | -79.51 | 42 | |
| Old Morstone | city | Queensland | Australia | -19.58 | 138.52 | 830 | 0 |
| Old Moses | city | New Mexico | United States | 36.68 | -103.08 | 5029 | |
| Old Moshi | city | Kilimanjaro | Tanzania, United Rep. of | -3.32 | 37.40 | 3349 | 141541 |
| Old Moulton | city | Texas | United States | 29.59 | -97.18 | 830 | |
| Old Mount Pleasant (historical) | city | Louisiana | United States | 32.15 | -92.19 | 154 | |
| Old Mount Vinco | city | Virginia | United States | 37.61 | -78.60 | 830 | |
| Old Mountain | city | Donegal | Ireland | 55.20 | -7.49 | 830 | 1771 |
| Old Mountain House | city | Pennsylvania | United States | 40.02 | -78.19 | 1669 | |
| Old Mountain View (historical) | city | Colorado | United States | 38.83 | -104.99 | 9583 | |
| Old Mouth North River | city | Massachusetts | United States | 42.13 | -70.68 | 3 | |
| Old Muniwara | city | East Sepik | Papua New Guinea | -3.76 | 143.69 | 830 | 894 |
| Old Muscat | city | Masqat | Oman | 23.61 | 58.59 | 226 | 82437 |
| Old Musu | city | West Sepik | Papua New Guinea | -2.63 | 141.10 | 403 | 322 |
| Old Myakka | city | Florida | United States | 27.31 | -82.27 | 32 | |
| Old Myndus | city | Virginia | United States | 37.82 | -78.85 | 830 | |
| Old Myrtle | city | Mississippi | United States | 34.53 | -89.12 | 377 | |
| Old Mystic | city | Connecticut | United States | 41.39 | -71.96 | 134 |