| Gdansk to Octeville | 918.86 mi (1,478.76 km) |
| Gdansk to Oignies | 710.15 mi (1,142.87 km) |
| Gdansk to Oissel | 822.35 mi (1,323.44 km) |
| Gdansk to Olivet | 850.26 mi (1,368.37 km) |
| Gdansk to Ollioules | 966.24 mi (1,555.01 km) |
| Gdansk to Olonne-sur-Mer | 1,042.44 mi (1,677.65 km) |
| Gdansk to Oloron-Sainte-Marie | 1,160.35 mi (1,867.41 km) |
| Gdansk to Onet Village | 994.41 mi (1,600.34 km) |
| Gdansk to Onnaing | 689.50 mi (1,109.64 km) |
| Gdansk to Orange | 938.50 mi (1,510.37 km) |
| Gdansk to Orchies | 700.26 mi (1,126.96 km) |
| Gdansk to Orleans | 848.32 mi (1,365.23 km) |
| Gdansk to Orly | 795.83 mi (1,280.76 km) |
| Gdansk to Ormesson-sur-Marne | 788.75 mi (1,269.36 km) |
| Gdansk to Orsay | 805.30 mi (1,296.01 km) |
