World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Calasetta | ITCLS | Italy |
| Calbayog, Samar | PHCBY | Philippines (the) |
| Calbuco | CLCBC | Chile |
| Calcite | USMI3 | United States of America (the) |
| Caldecote | GBCAA | United Kingdom |
| Caldera | CLCLD | Chile |
| Caldera | CRCAL | Costa Rica |
| Caldera Bay/Zamboanga | PHCDB | Philippines (the) |
| Calderilla | CLCAA | Chile |
| Caledonia | USCDZ | United States of America (the) |