| Casarano to Octeville | 1,170.46 mi (1,883.67 km) |
| Casarano to Oignies | 1,028.93 mi (1,655.90 km) |
| Casarano to Oissel | 1,053.65 mi (1,695.68 km) |
| Casarano to Olivet | 971.02 mi (1,562.70 km) |
| Casarano to Ollioules | 671.55 mi (1,080.76 km) |
| Casarano to Olonne-sur-Mer | 1,095.54 mi (1,763.10 km) |
| Casarano to Oloron-Sainte-Marie | 992.15 mi (1,596.71 km) |
| Casarano to Onet Village | 850.30 mi (1,368.43 km) |
| Casarano to Onnaing | 1,004.78 mi (1,617.04 km) |
| Casarano to Orange | 740.72 mi (1,192.07 km) |
| Casarano to Orchies | 1,020.61 mi (1,642.51 km) |
| Casarano to Orleans | 971.93 mi (1,564.16 km) |
| Casarano to Orly | 981.80 mi (1,580.05 km) |
| Casarano to Ormesson-sur-Marne | 977.73 mi (1,573.51 km) |
| Casarano to Orsay | 988.10 mi (1,590.19 km) |
