World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Orayuita | PHORA | Philippines (the) |
| Orbetello | ITOBT | Italy |
| Orca | USOSZ | United States of America (the) |
| Orcadas | AQORC | Antarctica |
| Orchamps | FROHP | France |
| Orcutt | US8MN | United States of America (the) |
| Ordu | TRORD | Türkiye |
| Orebic | HRORB | Croatia |
| Oregon | USOEG | United States of America (the) |
| Öregrund | SEOGR | Sweden |