| Simeria to Octeville | 1,169.20 mi (1,881.64 km) |
| Simeria to Oignies | 972.59 mi (1,565.24 km) |
| Simeria to Oissel | 1,045.34 mi (1,682.32 km) |
| Simeria to Olivet | 1,003.81 mi (1,615.48 km) |
| Simeria to Ollioules | 864.55 mi (1,391.36 km) |
| Simeria to Olonne-sur-Mer | 1,181.40 mi (1,901.27 km) |
| Simeria to Oloron-Sainte-Marie | 1,173.36 mi (1,888.34 km) |
| Simeria to Onet Village | 998.11 mi (1,606.30 km) |
| Simeria to Onnaing | 945.40 mi (1,521.47 km) |
| Simeria to Orange | 895.13 mi (1,440.57 km) |
| Simeria to Orchies | 961.87 mi (1,547.99 km) |
| Simeria to Orleans | 1,003.43 mi (1,614.87 km) |
| Simeria to Orly | 983.35 mi (1,582.55 km) |
| Simeria to Ormesson-sur-Marne | 976.95 mi (1,572.25 km) |
| Simeria to Orsay | 992.48 mi (1,597.24 km) |
