| Monchengladbach to Oegstgeest | 108.21 mi (174.14 km) |
| Monchengladbach to Oirschot | 53.12 mi (85.48 km) |
| Monchengladbach to Oisterwijk | 59.40 mi (95.60 km) |
| Monchengladbach to Oldebroek | 89.32 mi (143.74 km) |
| Monchengladbach to Oldenzaal | 80.06 mi (128.85 km) |
| Monchengladbach to Ommen | 90.98 mi (146.41 km) |
| Monchengladbach to Oosterend | 125.59 mi (202.11 km) |
| Monchengladbach to Oosterhout | 74.50 mi (119.89 km) |
| Monchengladbach to Oosterwolde | 123.84 mi (199.31 km) |
| Monchengladbach to Oostzaan | 107.90 mi (173.65 km) |
| Monchengladbach to Opmeer | 121.37 mi (195.32 km) |
| Monchengladbach to Oss | 55.57 mi (89.44 km) |
| Monchengladbach to Oud-Beijerland | 97.26 mi (156.53 km) |
| Monchengladbach to Oudenbosch | 86.59 mi (139.36 km) |
| Monchengladbach to Oudewater | 87.76 mi (141.24 km) |
