| Monchengladbach to Opwijk | 98.98 mi (159.29 km) |
| Monchengladbach to Ostend | 152.08 mi (244.76 km) |
| Monchengladbach to Oud-Heverlee | 80.86 mi (130.13 km) |
| Monchengladbach to Oud-Turnhout | 63.21 mi (101.73 km) |
| Monchengladbach to Oudenaarde | 125.47 mi (201.93 km) |
| Monchengladbach to Oudenburg | 148.66 mi (239.24 km) |
| Monchengladbach to Oupeye | 48.34 mi (77.80 km) |
| Monchengladbach to Overijse | 87.50 mi (140.82 km) |
| Monchengladbach to Overpelt | 44.02 mi (70.84 km) |
| Monchengladbach to Paal | 55.78 mi (89.78 km) |
| Monchengladbach to Peer | 42.70 mi (68.72 km) |
| Monchengladbach to Pepinster | 51.35 mi (82.64 km) |
| Monchengladbach to Peruwelz | 132.95 mi (213.97 km) |
| Monchengladbach to Perwez | 80.95 mi (130.28 km) |
| Monchengladbach to Philippeville | 107.54 mi (173.07 km) |
