| Sredets to Oignies | 1,274.57 mi (2,051.22 km) |
| Sredets to Oissel | 1,337.94 mi (2,153.20 km) |
| Sredets to Olivet | 1,284.53 mi (2,067.25 km) |
| Sredets to Ollioules | 1,081.92 mi (1,741.18 km) |
| Sredets to Olonne-sur-Mer | 1,449.55 mi (2,332.83 km) |
| Sredets to Oloron-Sainte-Marie | 1,405.03 mi (2,261.18 km) |
| Sredets to Onet Village | 1,239.24 mi (1,994.36 km) |
| Sredets to Onnaing | 1,247.48 mi (2,007.62 km) |
| Sredets to Orange | 1,130.13 mi (1,818.77 km) |
| Sredets to Orchies | 1,264.13 mi (2,034.43 km) |
| Sredets to Orleans | 1,284.51 mi (2,067.22 km) |
| Sredets to Orly | 1,272.14 mi (2,047.32 km) |
| Sredets to Ormesson-sur-Marne | 1,266.20 mi (2,037.75 km) |
| Sredets to Orsay | 1,280.75 mi (2,061.16 km) |
| Sredets to Orthez | 1,410.79 mi (2,270.45 km) |
