| Gdansk to Oerlinghausen | 444.45 mi (715.27 km) |
| Gdansk to Oestrich-Winkel | 541.06 mi (870.75 km) |
| Gdansk to Offenburg | 613.84 mi (987.88 km) |
| Gdansk to Oftersheim | 549.16 mi (883.79 km) |
| Gdansk to Ohrdruf | 411.25 mi (661.84 km) |
| Gdansk to Ohringen | 527.79 mi (849.40 km) |
| Gdansk to Olbernhau | 338.31 mi (544.46 km) |
| Gdansk to Olching | 529.28 mi (851.79 km) |
| Gdansk to Oldenburg | 433.83 mi (698.19 km) |
| Gdansk to Oldenburg in Holstein | 312.63 mi (503.13 km) |
| Gdansk to Olfen | 501.32 mi (806.79 km) |
| Gdansk to Olpe | 507.27 mi (816.37 km) |
| Gdansk to Olsberg | 471.32 mi (758.51 km) |
| Gdansk to Oranienburg | 247.71 mi (398.65 km) |
| Gdansk to Ortenberg | 489.11 mi (787.15 km) |
