World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Concord | USJQQ | United States of America (the) |
| Condamine | AUCDE | Australia |
| Conflict Group | PGCFG | Papua New Guinea |
| Congjiang | CNCJA | China |
| Congo Town | BSCOX | Bahamas |
| Congresbury | GBCGY | United Kingdom |
| Coniston | GBCIS | United Kingdom |
| Coniston | CACSJ | Canada |
| Connah's Quay | GBCOQ | United Kingdom |
| Connahs Quay | GBCQY | United Kingdom |