| Remagen to Octeville | 398.47 mi (641.27 km) |
| Remagen to Oignies | 186.24 mi (299.73 km) |
| Remagen to Oissel | 285.85 mi (460.03 km) |
| Remagen to Olivet | 304.89 mi (490.67 km) |
| Remagen to Ollioules | 518.11 mi (833.82 km) |
| Remagen to Olonne-sur-Mer | 496.99 mi (799.83 km) |
| Remagen to Oloron-Sainte-Marie | 629.55 mi (1,013.16 km) |
| Remagen to Onet Village | 480.58 mi (773.41 km) |
| Remagen to Onnaing | 160.23 mi (257.86 km) |
| Remagen to Orange | 459.11 mi (738.87 km) |
| Remagen to Orchies | 175.22 mi (282.00 km) |
| Remagen to Orleans | 302.88 mi (487.45 km) |
| Remagen to Orly | 250.69 mi (403.45 km) |
| Remagen to Ormesson-sur-Marne | 243.55 mi (391.95 km) |
| Remagen to Orsay | 260.31 mi (418.92 km) |
