| Bergisch Gladbach to Opwijk | 128.20 mi (206.32 km) |
| Bergisch Gladbach to Ostend | 183.36 mi (295.08 km) |
| Bergisch Gladbach to Oud-Heverlee | 107.88 mi (173.61 km) |
| Bergisch Gladbach to Oud-Turnhout | 95.71 mi (154.03 km) |
| Bergisch Gladbach to Oudenaarde | 154.06 mi (247.94 km) |
| Bergisch Gladbach to Oudenburg | 179.72 mi (289.23 km) |
| Bergisch Gladbach to Oupeye | 67.77 mi (109.06 km) |
| Bergisch Gladbach to Overijse | 114.10 mi (183.63 km) |
| Bergisch Gladbach to Overpelt | 75.95 mi (122.23 km) |
| Bergisch Gladbach to Paal | 85.15 mi (137.03 km) |
| Bergisch Gladbach to Peer | 73.46 mi (118.21 km) |
| Bergisch Gladbach to Pepinster | 64.47 mi (103.75 km) |
| Bergisch Gladbach to Peruwelz | 158.47 mi (255.03 km) |
| Bergisch Gladbach to Perwez | 104.23 mi (167.74 km) |
| Bergisch Gladbach to Philippeville | 125.69 mi (202.28 km) |
