| Gummersbach to Octeville | 417.37 mi (671.69 km) |
| Gummersbach to Oignies | 203.64 mi (327.73 km) |
| Gummersbach to Oissel | 309.25 mi (497.68 km) |
| Gummersbach to Olivet | 335.59 mi (540.08 km) |
| Gummersbach to Ollioules | 551.34 mi (887.30 km) |
| Gummersbach to Olonne-sur-Mer | 525.97 mi (846.47 km) |
| Gummersbach to Oloron-Sainte-Marie | 663.25 mi (1,067.40 km) |
| Gummersbach to Onet Village | 515.19 mi (829.12 km) |
| Gummersbach to Onnaing | 179.25 mi (288.47 km) |
| Gummersbach to Orange | 493.33 mi (793.93 km) |
| Gummersbach to Orchies | 192.82 mi (310.31 km) |
| Gummersbach to Orleans | 333.49 mi (536.71 km) |
| Gummersbach to Orly | 279.30 mi (449.49 km) |
| Gummersbach to Ormesson-sur-Marne | 272.25 mi (438.15 km) |
| Gummersbach to Orsay | 288.72 mi (464.65 km) |
