| Salt to Octeville | 569.83 mi (917.05 km) |
| Salt to Oignies | 586.90 mi (944.52 km) |
| Salt to Oissel | 515.44 mi (829.53 km) |
| Salt to Olivet | 409.11 mi (658.40 km) |
| Salt to Ollioules | 175.18 mi (281.93 km) |
| Salt to Olonne-sur-Mer | 387.42 mi (623.49 km) |
| Salt to Oloron-Sainte-Marie | 192.09 mi (309.15 km) |
| Salt to Onet Village | 165.39 mi (266.17 km) |
| Salt to Onnaing | 582.47 mi (937.40 km) |
| Salt to Orange | 180.91 mi (291.15 km) |
| Salt to Orchies | 587.60 mi (945.65 km) |
| Salt to Orleans | 411.72 mi (662.60 km) |
| Salt to Orly | 468.00 mi (753.18 km) |
| Salt to Ormesson-sur-Marne | 470.66 mi (757.45 km) |
| Salt to Orsay | 465.36 mi (748.92 km) |
