Vi har så langt registrert 1 331 havner
| Navn | Grunnlagt | | Civitavecchia, Italia | |
| Clyde, UK | |
| Cochin, India | |
| Coffs Harbour, UK | |
| Coguimbo, Chile | |
| Colchester, UK | |
| Colombia | |
| Colombo, Ceylon | |
| Colon, Panama | |
| Constantza, Romania | |
| Cork, Irland. | |
| Corner Brook | |
| Cornwall | |
| Corunna, Spania | |
| Coryton, UK | |
| Cotonou, Benin | |
| Cowes, UK | |
| Crotone, Italia | |
| Curacao, Netherlands Antilles | |
| Cuxhaven, Tyskland | |
| Dagenham Dock, UK | |
| Dairen, China | |
| Dakar, Senegal | |
| Dale, Norge | |
| Dalian, Kina | |
