| Catanzaro to Octeville | 1,162.58 mi (1,870.99 km) |
| Catanzaro to Oignies | 1,038.61 mi (1,671.48 km) |
| Catanzaro to Oissel | 1,050.81 mi (1,691.11 km) |
| Catanzaro to Olivet | 960.70 mi (1,546.10 km) |
| Catanzaro to Ollioules | 631.79 mi (1,016.76 km) |
| Catanzaro to Olonne-sur-Mer | 1,067.79 mi (1,718.45 km) |
| Catanzaro to Oloron-Sainte-Marie | 942.39 mi (1,516.62 km) |
| Catanzaro to Onet Village | 814.43 mi (1,310.70 km) |
| Catanzaro to Onnaing | 1,016.01 mi (1,635.11 km) |
| Catanzaro to Orange | 708.22 mi (1,139.77 km) |
| Catanzaro to Orchies | 1,031.14 mi (1,659.47 km) |
| Catanzaro to Orleans | 961.90 mi (1,548.04 km) |
| Catanzaro to Orly | 978.93 mi (1,575.44 km) |
| Catanzaro to Ormesson-sur-Marne | 975.60 mi (1,570.08 km) |
| Catanzaro to Orsay | 984.30 mi (1,584.08 km) |
