| Bydgoszcz to Opwijk | 604.70 mi (973.17 km) |
| Bydgoszcz to Ostend | 651.01 mi (1,047.70 km) |
| Bydgoszcz to Oud-Heverlee | 588.11 mi (946.47 km) |
| Bydgoszcz to Oud-Turnhout | 564.09 mi (907.81 km) |
| Bydgoszcz to Oudenaarde | 631.34 mi (1,016.04 km) |
| Bydgoszcz to Oudenburg | 648.57 mi (1,043.78 km) |
| Bydgoszcz to Oupeye | 551.60 mi (887.71 km) |
| Bydgoszcz to Overijse | 594.78 mi (957.21 km) |
| Bydgoszcz to Overpelt | 548.47 mi (882.68 km) |
| Bydgoszcz to Paal | 562.51 mi (905.27 km) |
| Bydgoszcz to Peer | 548.86 mi (883.30 km) |
| Bydgoszcz to Pepinster | 548.40 mi (882.57 km) |
| Bydgoszcz to Peruwelz | 640.25 mi (1,030.39 km) |
| Bydgoszcz to Perwez | 587.36 mi (945.27 km) |
| Bydgoszcz to Philippeville | 609.69 mi (981.20 km) |
