World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Cromwell | USZCW | United States of America (the) |
| Cronulla | AUCRU | Australia |
| Crooked Island | BSCRI | Bahamas |
| Crookhaven | IECRO | Ireland |
| Cropton | GBCR5 | United Kingdom |
| Crossen an der Elster | DECRR | Germany |
| Crosskirk | GBCKK | United Kingdom |
| Croton-on-Hudson | USTHU | United States of America (the) |
| Crotone | ITCRV | Italy |
| Crouttes-sur-Marne | FRQSM | France |