| Rostusa to Octeville | 1,202.93 mi (1,935.93 km) |
| Rostusa to Oignies | 1,038.67 mi (1,671.57 km) |
| Rostusa to Oissel | 1,081.10 mi (1,739.86 km) |
| Rostusa to Olivet | 1,010.94 mi (1,626.95 km) |
| Rostusa to Ollioules | 759.40 mi (1,222.14 km) |
| Rostusa to Olonne-sur-Mer | 1,157.04 mi (1,862.08 km) |
| Rostusa to Oloron-Sainte-Marie | 1,084.57 mi (1,745.44 km) |
| Rostusa to Onet Village | 927.75 mi (1,493.08 km) |
| Rostusa to Onnaing | 1,012.78 mi (1,629.91 km) |
| Rostusa to Orange | 817.03 mi (1,314.88 km) |
| Rostusa to Orchies | 1,029.27 mi (1,656.45 km) |
| Rostusa to Orleans | 1,011.41 mi (1,627.71 km) |
| Rostusa to Orly | 1,010.89 mi (1,626.87 km) |
| Rostusa to Ormesson-sur-Marne | 1,005.88 mi (1,618.81 km) |
| Rostusa to Orsay | 1,018.37 mi (1,638.91 km) |
