| Udine to Octeville | 730.87 mi (1,176.22 km) |
| Udine to Oignies | 559.88 mi (901.04 km) |
| Udine to Oissel | 607.36 mi (977.45 km) |
| Udine to Olivet | 548.05 mi (882.00 km) |
| Udine to Ollioules | 415.62 mi (668.87 km) |
| Udine to Olonne-sur-Mer | 715.96 mi (1,152.22 km) |
| Udine to Oloron-Sainte-Marie | 707.82 mi (1,139.12 km) |
| Udine to Onet Village | 530.58 mi (853.89 km) |
| Udine to Onnaing | 533.97 mi (859.34 km) |
| Udine to Orange | 431.63 mi (694.63 km) |
| Udine to Orchies | 550.46 mi (885.88 km) |
| Udine to Orleans | 548.08 mi (882.06 km) |
| Udine to Orly | 539.04 mi (867.51 km) |
| Udine to Ormesson-sur-Marne | 533.50 mi (858.58 km) |
| Udine to Orsay | 547.20 mi (880.64 km) |
