| Sillamae to Oignies | 1,150.65 mi (1,851.79 km) |
| Sillamae to Oissel | 1,265.67 mi (2,036.91 km) |
| Sillamae to Olivet | 1,312.00 mi (2,111.45 km) |
| Sillamae to Ollioules | 1,455.65 mi (2,342.64 km) |
| Sillamae to Olonne-sur-Mer | 1,496.67 mi (2,408.66 km) |
| Sillamae to Oloron-Sainte-Marie | 1,637.29 mi (2,634.96 km) |
| Sillamae to Onet Village | 1,476.90 mi (2,376.83 km) |
| Sillamae to Onnaing | 1,134.71 mi (1,826.14 km) |
| Sillamae to Orange | 1,426.16 mi (2,295.19 km) |
| Sillamae to Orchies | 1,142.20 mi (1,838.19 km) |
| Sillamae to Orleans | 1,309.78 mi (2,107.89 km) |
| Sillamae to Orly | 1,252.45 mi (2,015.63 km) |
| Sillamae to Ormesson-sur-Marne | 1,245.74 mi (2,004.83 km) |
| Sillamae to Orsay | 1,261.28 mi (2,029.83 km) |
| Sillamae to Orthez | 1,626.13 mi (2,617.00 km) |
