| Unterwellenborn to Octeville | 583.00 mi (938.24 km) |
| Unterwellenborn to Oignies | 370.82 mi (596.78 km) |
| Unterwellenborn to Oissel | 468.19 mi (753.48 km) |
| Unterwellenborn to Olivet | 471.12 mi (758.19 km) |
| Unterwellenborn to Ollioules | 582.41 mi (937.30 km) |
| Unterwellenborn to Olonne-sur-Mer | 666.39 mi (1,072.46 km) |
| Unterwellenborn to Oloron-Sainte-Marie | 765.87 mi (1,232.54 km) |
| Unterwellenborn to Onet Village | 598.83 mi (963.73 km) |
| Unterwellenborn to Onnaing | 344.90 mi (555.07 km) |
| Unterwellenborn to Orange | 546.48 mi (879.47 km) |
| Unterwellenborn to Orchies | 359.81 mi (579.06 km) |
| Unterwellenborn to Orleans | 469.54 mi (755.64 km) |
| Unterwellenborn to Orly | 425.15 mi (684.21 km) |
| Unterwellenborn to Ormesson-sur-Marne | 417.92 mi (672.58 km) |
| Unterwellenborn to Orsay | 435.01 mi (700.09 km) |
