| Genthin to Octeville | 628.99 mi (1,012.26 km) |
| Genthin to Oignies | 416.68 mi (670.59 km) |
| Genthin to Oissel | 526.41 mi (847.17 km) |
| Genthin to Olivet | 551.43 mi (887.44 km) |
| Genthin to Ollioules | 703.29 mi (1,131.83 km) |
| Genthin to Olonne-sur-Mer | 743.67 mi (1,196.83 km) |
| Genthin to Oloron-Sainte-Marie | 867.03 mi (1,395.35 km) |
| Genthin to Onet Village | 706.66 mi (1,137.26 km) |
| Genthin to Onnaing | 394.40 mi (634.73 km) |
| Genthin to Orange | 662.79 mi (1,066.66 km) |
| Genthin to Orchies | 406.35 mi (653.95 km) |
| Genthin to Orleans | 549.47 mi (884.28 km) |
| Genthin to Orly | 497.15 mi (800.09 km) |
| Genthin to Ormesson-sur-Marne | 490.04 mi (788.65 km) |
| Genthin to Orsay | 506.67 mi (815.41 km) |
