| Langen to Octeville | 460.03 mi (740.35 km) |
| Langen to Oignies | 252.94 mi (407.07 km) |
| Langen to Oissel | 341.53 mi (549.63 km) |
| Langen to Olivet | 340.12 mi (547.37 km) |
| Langen to Ollioules | 491.38 mi (790.80 km) |
| Langen to Olonne-sur-Mer | 535.39 mi (861.63 km) |
| Langen to Oloron-Sainte-Marie | 642.43 mi (1,033.89 km) |
| Langen to Onet Village | 481.34 mi (774.63 km) |
| Langen to Onnaing | 225.93 mi (363.60 km) |
| Langen to Orange | 442.63 mi (712.34 km) |
| Langen to Orchies | 242.01 mi (389.48 km) |
| Langen to Orleans | 338.53 mi (544.82 km) |
| Langen to Orly | 294.91 mi (474.61 km) |
| Langen to Ormesson-sur-Marne | 287.70 mi (463.01 km) |
| Langen to Orsay | 304.79 mi (490.50 km) |
