| Monchengladbach to Octeville | 371.61 mi (598.05 km) |
| Monchengladbach to Oignies | 158.34 mi (254.83 km) |
| Monchengladbach to Oissel | 268.48 mi (432.08 km) |
| Monchengladbach to Olivet | 307.20 mi (494.40 km) |
| Monchengladbach to Ollioules | 557.61 mi (897.39 km) |
| Monchengladbach to Olonne-sur-Mer | 492.37 mi (792.39 km) |
| Monchengladbach to Oloron-Sainte-Marie | 643.69 mi (1,035.92 km) |
| Monchengladbach to Onet Village | 504.56 mi (812.01 km) |
| Monchengladbach to Onnaing | 135.94 mi (218.77 km) |
| Monchengladbach to Orange | 493.70 mi (794.53 km) |
| Monchengladbach to Orchies | 147.89 mi (238.00 km) |
| Monchengladbach to Orleans | 304.91 mi (490.70 km) |
| Monchengladbach to Orly | 246.99 mi (397.49 km) |
| Monchengladbach to Ormesson-sur-Marne | 240.26 mi (386.67 km) |
| Monchengladbach to Orsay | 255.88 mi (411.80 km) |
