Geographic Name | Country Reference | Latitude (deg min) | Longitude (deg min) |
| Channel Islands | Guernsey, Jersey | 49 20 N | 2 20 W |
| Charlotte Amalie (capital) | Virgin Islands | 18 21 N | 64 56 W |
| Chatham Islands | New Zealand | 44 00 S | 176 30 W |
| Chechnya (region; also Chechnia) | Russia | 43 15 N | 45 40 E |
| Cheju Strait | Pacific Ocean | 34 00 N | 126 30 E |
| Cheju-do (island) | Korea, South | 33 20 N | 126 30 E |
| Chengdu (city) | China | 30 43 N | 104 04 E |
| Chennai (city; also Madras) | India | 13 04 N | 80 16 E |
| Chesterfield Islands (Iles Chesterfield) | New Caledonia | 19 52 S | 158 15 E |
| Chihli, Gulf of (see Bo Hai) | Pacific Ocean | 38 30 N | 120 00 E |
| Chiloe (island) | Chile | 42 50 S | 74 00 W |
| China, People's Republic of | China | 35 00 N | 105 00 E |
| China, Republic of | Taiwan | 23 30 N | 121 00 E |
| Chisinau (capital; also Kishinev) | Moldova | 47 00 N | 28 50 E |
| Choiseul (island) | Solomon Islands | 7 05 S | 121 00 E |
| Choson (local name for North Korea) | North Korea | 40 00 N | 127 00 E |
| Christmas Island (Indian Ocean) | Australia | 10 25 S | 105 39 E |
| Christmas Island (Pacific Ocean; also Kiritimati) | Kiribati | 1 52 N | 157 20 W |
| Chukchi Sea | Arctic Ocean | 69 00 N | 171 00 W |
| Chuuk Islands (Truk Islands) | Federated States of Micronesia | 7 25 N | 151 47 W |
| Cilicia (region) | Turkey | 36 50 N | 34 30 E |
| Ciskei (enclave) | South Africa | 33 00 S | 27 00 E |
| Citta del Vaticano (local name for Vatican City) | Holy See | 41 54 N | 12 27 E |
| Cochin China (region) | Vietnam | 11 00 N | 107 00 E |
| Coco, Isla del (island) | Costa Rica | 5 32 N | 87 04 W |
| Cocos Islands | Cocos (Keeling) Islands | 12 30 S | 96 50 E |
| Colombo (capital) | Sri Lanka | 6 56 N | 79 51 E |
| Colon, Archipielago de (Galapagos Islands) | Ecuador | 0 00 N | 90 30 W |
| Commander Islands (Komandorskiye Ostrova) | Russia | 55 00 N | 167 00 E |