| Gioia del Colle to Octeville | 1,085.98 mi (1,747.71 km) |
| Gioia del Colle to Oignies | 945.66 mi (1,521.89 km) |
| Gioia del Colle to Oissel | 969.29 mi (1,559.92 km) |
| Gioia del Colle to Olivet | 886.53 mi (1,426.74 km) |
| Gioia del Colle to Ollioules | 591.50 mi (951.92 km) |
| Gioia del Colle to Olonne-sur-Mer | 1,012.27 mi (1,629.09 km) |
| Gioia del Colle to Oloron-Sainte-Marie | 913.94 mi (1,470.85 km) |
| Gioia del Colle to Onet Village | 768.76 mi (1,237.20 km) |
| Gioia del Colle to Onnaing | 921.71 mi (1,483.34 km) |
| Gioia del Colle to Orange | 658.76 mi (1,060.17 km) |
| Gioia del Colle to Orchies | 937.45 mi (1,508.68 km) |
| Gioia del Colle to Orleans | 887.44 mi (1,428.20 km) |
| Gioia del Colle to Orly | 897.42 mi (1,444.25 km) |
| Gioia del Colle to Ormesson-sur-Marne | 893.38 mi (1,437.76 km) |
| Gioia del Colle to Orsay | 903.68 mi (1,454.34 km) |
