| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Port Campbell | city | Victoria | Australia | -38.62 | 143.00 | 3 | 258 |
| Port Campha | city | Quang Ninh | Vietnam | 21.02 | 107.37 | 0 | 18020 |
| Port Canaveral Trailer Park | city | Florida | United States | 28.40 | -80.61 | 9 | |
| Port Canning | city | West Bengal | India | 22.31 | 88.66 | 36 | 212363 |
| Port Carbon | city | Pennsylvania | United States | 40.70 | -76.17 | 830 | |
| Port Cargill | city | Minnesota | United States | 44.79 | -93.33 | 830 | |
| Port Carling Aerodrome | airport | 45.09 | -79.60 | 0 | |||
| Port Carling/Butterfly Lake Seaplane Base | airport | 45.09 | -79.63 | 765 | 0 | ||
| Port Carling/Lake Joseph Water Aerodrome | airport | 45.11 | -79.62 | 0 | |||
| Port Carlisle | city | Cumbria | United Kingdom | 54.93 | -3.18 | 3 | 3909 |
| Port Caroline | city | South Australia | Australia | -36.83 | 139.85 | 3 | 0 |
| Port Castries | city | Castries | St. Lucia | 14.01 | -60.99 | 830 | 22122 |
| Port Caudebec | city | Haute-Normandie | France | 49.51 | 0.72 | 45 | 6515 |
| Port Chalmers | city | New Zealand | -45.81 | 170.60 | 830 | 10842 | |
| Port Chaltin | city | Congo (Dem. Republic of The)-(Zaire) | 2.74 | 23.78 | 1669 | 81727 | |
| Port Chardon Mobile Home Park | city | Ohio | United States | 38.75 | -83.85 | 830 | |
| Port Charles | city | New Zealand | -36.53 | 175.48 | 173 | 176 | |
| Port Charlotte | city | Argyll and Bute | United Kingdom | 55.75 | -6.37 | 0 | 0 |
| Port Charlotte | city | Florida | United States | 26.98 | -82.09 | 6 | |
| Port Charlotte Village Mobile Home Park | city | Florida | United States | 27.01 | -82.05 | 19 | |
| Port Cherry Gardens Farm | city | Maryland | United States | 39.28 | -76.43 | 3 | |
| Port Chester | city | New York | United States | 41.00 | -73.67 | 26 | |
| Port Chicago (historical) | city | California | United States | 38.05 | -122.02 | 22 | |
| Port Chilkoot | city | Alaska | United States | 59.23 | -135.44 | 229 | |
| Port Clarence | city | Bioko Norte | Equatorial Guinea | 3.75 | 8.78 | 354 | 9755 |
| Port Clarence | city | Middlesbrough | United Kingdom | 54.58 | -1.20 | 9 | 103778 |
| Port Clarence | city | Alaska | United States | 65.26 | -166.85 | 0 | |
| Port Clements | city | British Columbia | Canada | 53.69 | -132.18 | 98 | 244 |
| Port Clinton | city | South Australia | Australia | -34.23 | 138.03 | 0 | 61 |
| Port Clinton | city | Ohio | United States | 41.51 | -82.94 | 830 | |
| Port Clinton | city | Pennsylvania | United States | 40.58 | -76.02 | 830 | |
| Port Clyde | city | Nova Scotia | Canada | 43.60 | -65.47 | 3 | 684 |
| Port Clyde | city | Maine | United States | 43.93 | -69.25 | 0 | |
| Port Colborne | city | Ontario | Canada | 42.89 | -79.25 | 830 | 10965 |
| Port Colborne (General Hospital) Heliport | airport | 42.88 | -79.26 | 575 | 0 | ||
| Port Colborne Airport | airport | 42.88 | -79.35 | 600 | 0 | ||
| Port Colden | city | New Jersey | United States | 40.76 | -74.95 | 830 | |
| Port Colom | city | Illes Balears | Spain | 39.42 | 3.26 | 3 | 1040 |
| Port Comorao | city | Hormozgan | Iran | 27.19 | 56.28 | 0 | 24012 |
| Port Conway | city | Virginia | United States | 38.18 | -77.19 | 49 | |
| Port Coquitlam | city | British Columbia | Canada | 49.27 | -122.78 | 82 | 91399 |
| Port Cortez | city | Cortes | Honduras | 15.83 | -87.95 | 0 | 52496 |
| Port Costa | city | California | United States | 38.05 | -122.18 | 88 | |
| Port Craig | city | New Zealand | -46.22 | 167.35 | 72 | 0 | |
| Port Crane | city | New York | United States | 42.16 | -75.83 | 964 | |
| Port Crawford (historical) | city | Alaska | United States | 60.07 | -147.88 | 131 | |
| Port Credit | city | Ontario | Canada | 43.56 | -79.58 | 246 | 114752 |
| Port Crescent | city | Washington | United States | 48.16 | -123.73 | 278 | |
| Port Crescent | city | Michigan | United States | 44.00 | -83.06 | 830 | |
| Port Cuatreros | city | Buenos Aires | Argentina | -38.71 | -62.40 | 3 | 50415 |