| Silves to Octeville | 923.79 mi (1,486.69 km) |
| Silves to Oignies | 1,077.47 mi (1,734.01 km) |
| Silves to Oissel | 965.31 mi (1,553.52 km) |
| Silves to Olivet | 904.56 mi (1,455.75 km) |
| Silves to Ollioules | 857.50 mi (1,380.01 km) |
| Silves to Olonne-sur-Mer | 730.74 mi (1,176.02 km) |
| Silves to Oloron-Sainte-Marie | 585.29 mi (941.93 km) |
| Silves to Onet Village | 759.85 mi (1,222.86 km) |
| Silves to Onnaing | 1,088.92 mi (1,752.45 km) |
| Silves to Orange | 842.63 mi (1,356.08 km) |
| Silves to Orchies | 1,084.30 mi (1,745.01 km) |
| Silves to Orleans | 906.88 mi (1,459.48 km) |
| Silves to Orly | 966.15 mi (1,554.88 km) |
| Silves to Ormesson-sur-Marne | 972.54 mi (1,565.15 km) |
| Silves to Orsay | 957.89 mi (1,541.58 km) |
