| Gdynia to Oberkirch | 608.64 mi (979.51 km) |
| Gdynia to Obernburg am Main | 511.20 mi (822.70 km) |
| Gdynia to Obernkirchen | 417.18 mi (671.39 km) |
| Gdynia to Oberschleissheim | 525.53 mi (845.76 km) |
| Gdynia to Oberstdorf | 606.63 mi (976.28 km) |
| Gdynia to Obertraubling | 469.09 mi (754.93 km) |
| Gdynia to Obertshausen | 511.05 mi (822.46 km) |
| Gdynia to Oberursel | 513.73 mi (826.76 km) |
| Gdynia to Ochsenfurt | 490.88 mi (790.00 km) |
| Gdynia to Ochsenhausen | 577.84 mi (929.95 km) |
| Gdynia to Ochtrup | 493.27 mi (793.84 km) |
| Gdynia to Odenthal | 533.16 mi (858.04 km) |
| Gdynia to Oelde | 467.32 mi (752.07 km) |
| Gdynia to Oelsnitz | 388.86 mi (625.81 km) |
| Gdynia to Oer-Erkenschwick | 507.56 mi (816.84 km) |
