| Catania to Octeville | 1,179.74 mi (1,898.61 km) |
| Catania to Oignies | 1,076.15 mi (1,731.90 km) |
| Catania to Oissel | 1,074.86 mi (1,729.82 km) |
| Catania to Olivet | 977.91 mi (1,573.80 km) |
| Catania to Ollioules | 622.99 mi (1,002.60 km) |
| Catania to Olonne-sur-Mer | 1,063.63 mi (1,711.74 km) |
| Catania to Oloron-Sainte-Marie | 913.48 mi (1,470.10 km) |
| Catania to Onet Village | 805.08 mi (1,295.64 km) |
| Catania to Onnaing | 1,055.47 mi (1,698.62 km) |
| Catania to Orange | 705.66 mi (1,135.65 km) |
| Catania to Orchies | 1,069.68 mi (1,721.48 km) |
| Catania to Orleans | 979.42 mi (1,576.22 km) |
| Catania to Orly | 1,004.00 mi (1,615.78 km) |
| Catania to Ormesson-sur-Marne | 1,001.50 mi (1,611.76 km) |
| Catania to Orsay | 1,008.28 mi (1,622.67 km) |
