| Caltagirone to Octeville | 1,174.02 mi (1,889.40 km) |
| Caltagirone to Oignies | 1,076.62 mi (1,732.66 km) |
| Caltagirone to Oissel | 1,071.38 mi (1,724.22 km) |
| Caltagirone to Olivet | 972.74 mi (1,565.47 km) |
| Caltagirone to Ollioules | 612.16 mi (985.18 km) |
| Caltagirone to Olonne-sur-Mer | 1,052.19 mi (1,693.33 km) |
| Caltagirone to Oloron-Sainte-Marie | 895.75 mi (1,441.57 km) |
| Caltagirone to Onet Village | 793.06 mi (1,276.31 km) |
| Caltagirone to Onnaing | 1,056.57 mi (1,700.38 km) |
| Caltagirone to Orange | 696.05 mi (1,120.18 km) |
| Caltagirone to Orchies | 1,070.46 mi (1,722.74 km) |
| Caltagirone to Orleans | 974.33 mi (1,568.03 km) |
| Caltagirone to Orly | 1,001.01 mi (1,610.97 km) |
| Caltagirone to Ormesson-sur-Marne | 998.77 mi (1,607.36 km) |
| Caltagirone to Orsay | 1,004.96 mi (1,617.33 km) |
