| Caltanissetta to Octeville | 1,145.04 mi (1,842.76 km) |
| Caltanissetta to Oignies | 1,049.59 mi (1,689.16 km) |
| Caltanissetta to Oissel | 1,043.02 mi (1,678.58 km) |
| Caltanissetta to Olivet | 943.93 mi (1,519.11 km) |
| Caltanissetta to Ollioules | 582.30 mi (937.12 km) |
| Caltanissetta to Olonne-sur-Mer | 1,022.18 mi (1,645.04 km) |
| Caltanissetta to Oloron-Sainte-Marie | 865.54 mi (1,392.96 km) |
| Caltanissetta to Onet Village | 763.01 mi (1,227.95 km) |
| Caltanissetta to Onnaing | 1,029.79 mi (1,657.28 km) |
| Caltanissetta to Orange | 666.35 mi (1,072.39 km) |
| Caltanissetta to Orchies | 1,043.55 mi (1,679.44 km) |
| Caltanissetta to Orleans | 945.54 mi (1,521.71 km) |
| Caltanissetta to Orly | 972.82 mi (1,565.60 km) |
| Caltanissetta to Ormesson-sur-Marne | 970.65 mi (1,562.12 km) |
| Caltanissetta to Orsay | 976.67 mi (1,571.80 km) |
