| Follonica to Octeville | 750.56 mi (1,207.92 km) |
| Follonica to Oignies | 637.72 mi (1,026.31 km) |
| Follonica to Oissel | 640.41 mi (1,030.64 km) |
| Follonica to Olivet | 548.57 mi (882.84 km) |
| Follonica to Ollioules | 248.65 mi (400.17 km) |
| Follonica to Olonne-sur-Mer | 663.16 mi (1,067.26 km) |
| Follonica to Oloron-Sainte-Marie | 573.79 mi (923.43 km) |
| Follonica to Onet Village | 420.25 mi (676.32 km) |
| Follonica to Onnaing | 617.20 mi (993.28 km) |
| Follonica to Orange | 309.74 mi (498.48 km) |
| Follonica to Orchies | 631.30 mi (1,015.98 km) |
| Follonica to Orleans | 549.80 mi (884.81 km) |
| Follonica to Orly | 568.83 mi (915.44 km) |
| Follonica to Ormesson-sur-Marne | 565.87 mi (910.68 km) |
| Follonica to Orsay | 573.75 mi (923.37 km) |
