World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Clogherhead | IECLG | Ireland |
| Clovelly | GBCVL | United Kingdom |
| Clovelly | AUCVL | Australia |
| Clover | USCXV | United States of America (the) |
| Clover | USXVR | United States of America (the) |
| Cloverdale | USCYI | United States of America (the) |
| Clunbury | GBCZV | United Kingdom |
| Clute | USCU2 | United States of America (the) |
| Clyde River | CACLR | Canada |
| Clydebank | GBCLY | United Kingdom |