Vi har så langt registrert 1 300 havner
| Navn | Grunnlagt | | Celle, Tyskland | |
| Ceuta, Spania | |
| Chandler, Quebec, Canada | |
| Charleston, SC, USA | |
| Chatham, U.K | |
| Cherbourg, Frankrike | |
| Chester,Canada | |
| Chiba, Japan | |
| Chicago, IL, USA | |
| Chingwantao, Kina | |
| Chios, Hellas | |
| Chittagong, Bangladesh | |
| Christchurch, New Zealand | |
| Christobal, Panama | |
| Cienfuegos, Cuba | |
| Civitavecchia, Italia | |
| Clyde, UK | |
| Cochin, India | |
| Coffs Harbour, UK | |
| Coguimbo, Chile | |
| Colchester, UK | |
| Colombia | |
| Colombo, Ceylon | |
| Colon, Panama | |
| Constantza, Romania | |
