World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Portland | USDTP | United States of America (the) |
| Portloe | GBPRL | United Kingdom |
| Portmadoc | GBPMD | United Kingdom |
| Portmahomack | GBPMK | United Kingdom |
| Portnaguran and Ness | GBPRN | United Kingdom |
| Portnahaven | GBPNV | United Kingdom |
| Portnalong | GBPNG | United Kingdom |
| Portneuf | CAPTN | Canada |
| Porto | PTOPO | Portugal |
| Porto Acre | BRPWA | Brazil |