| Sannois to Octeville | 181.46 mi (292.04 km) |
| Sannois to Oignies | 108.53 mi (174.66 km) |
| Sannois to Oissel | 58.57 mi (94.26 km) |
| Sannois to Olivet | 78.31 mi (126.02 km) |
| Sannois to Ollioules | 438.08 mi (705.03 km) |
| Sannois to Olonne-sur-Mer | 251.70 mi (405.08 km) |
| Sannois to Oloron-Sainte-Marie | 422.08 mi (679.28 km) |
| Sannois to Onet Village | 318.68 mi (512.87 km) |
| Sannois to Onnaing | 114.70 mi (184.59 km) |
| Sannois to Orange | 355.26 mi (571.74 km) |
| Sannois to Orchies | 112.77 mi (181.49 km) |
| Sannois to Orleans | 75.62 mi (121.70 km) |
| Sannois to Orly | 16.93 mi (27.24 km) |
| Sannois to Ormesson-sur-Marne | 18.12 mi (29.16 km) |
| Sannois to Orsay | 19.21 mi (30.91 km) |
