| Blace to Octeville | 1,170.02 mi (1,882.97 km) |
| Blace to Oignies | 992.23 mi (1,596.85 km) |
| Blace to Oissel | 1,046.27 mi (1,683.81 km) |
| Blace to Olivet | 986.12 mi (1,587.01 km) |
| Blace to Ollioules | 776.33 mi (1,249.37 km) |
| Blace to Olonne-sur-Mer | 1,145.94 mi (1,844.21 km) |
| Blace to Oloron-Sainte-Marie | 1,098.69 mi (1,768.17 km) |
| Blace to Onet Village | 932.58 mi (1,500.85 km) |
| Blace to Onnaing | 965.57 mi (1,553.94 km) |
| Blace to Orange | 823.46 mi (1,325.23 km) |
| Blace to Orchies | 982.25 mi (1,580.78 km) |
| Blace to Orleans | 986.28 mi (1,587.26 km) |
| Blace to Orly | 978.34 mi (1,574.49 km) |
| Blace to Ormesson-sur-Marne | 972.75 mi (1,565.48 km) |
| Blace to Orsay | 986.53 mi (1,587.67 km) |
