| Belvedere Marittimo to Octeville | 1,099.81 mi (1,769.97 km) |
| Belvedere Marittimo to Oignies | 975.52 mi (1,569.95 km) |
| Belvedere Marittimo to Oissel | 987.76 mi (1,589.64 km) |
| Belvedere Marittimo to Olivet | 898.02 mi (1,445.23 km) |
| Belvedere Marittimo to Ollioules | 573.16 mi (922.42 km) |
| Belvedere Marittimo to Olonne-sur-Mer | 1,007.31 mi (1,621.11 km) |
| Belvedere Marittimo to Oloron-Sainte-Marie | 887.08 mi (1,427.63 km) |
| Belvedere Marittimo to Onet Village | 755.26 mi (1,215.48 km) |
| Belvedere Marittimo to Onnaing | 952.98 mi (1,533.67 km) |
| Belvedere Marittimo to Orange | 648.19 mi (1,043.16 km) |
| Belvedere Marittimo to Orchies | 968.08 mi (1,557.98 km) |
| Belvedere Marittimo to Orleans | 899.20 mi (1,447.13 km) |
| Belvedere Marittimo to Orly | 915.87 mi (1,473.95 km) |
| Belvedere Marittimo to Ormesson-sur-Marne | 912.51 mi (1,468.54 km) |
| Belvedere Marittimo to Orsay | 921.27 mi (1,482.64 km) |
