| Bastogne to Oignies | 124.69 mi (200.67 km) |
| Bastogne to Oissel | 211.92 mi (341.06 km) |
| Bastogne to Olivet | 227.81 mi (366.63 km) |
| Bastogne to Ollioules | 474.35 mi (763.39 km) |
| Bastogne to Olonne-sur-Mer | 419.40 mi (674.96 km) |
| Bastogne to Oloron-Sainte-Marie | 557.76 mi (897.63 km) |
| Bastogne to Onet Village | 416.24 mi (669.87 km) |
| Bastogne to Onnaing | 97.52 mi (156.94 km) |
| Bastogne to Orange | 407.54 mi (655.88 km) |
| Bastogne to Orchies | 114.13 mi (183.67 km) |
| Bastogne to Orleans | 225.75 mi (363.31 km) |
| Bastogne to Orly | 173.15 mi (278.65 km) |
| Bastogne to Ormesson-sur-Marne | 165.98 mi (267.13 km) |
| Bastogne to Orsay | 182.79 mi (294.17 km) |
| Bastogne to Orthez | 544.64 mi (876.51 km) |
