| Gualdo Tadino to Octeville | 814.68 mi (1,311.10 km) |
| Gualdo Tadino to Oignies | 680.00 mi (1,094.36 km) |
| Gualdo Tadino to Oissel | 698.53 mi (1,124.17 km) |
| Gualdo Tadino to Olivet | 615.30 mi (990.23 km) |
| Gualdo Tadino to Ollioules | 349.40 mi (562.31 km) |
| Gualdo Tadino to Olonne-sur-Mer | 746.95 mi (1,202.10 km) |
| Gualdo Tadino to Oloron-Sainte-Marie | 673.54 mi (1,083.96 km) |
| Gualdo Tadino to Onet Village | 513.79 mi (826.87 km) |
| Gualdo Tadino to Onnaing | 657.06 mi (1,057.44 km) |
| Gualdo Tadino to Orange | 403.10 mi (648.73 km) |
| Gualdo Tadino to Orchies | 672.34 mi (1,082.02 km) |
| Gualdo Tadino to Orleans | 616.19 mi (991.65 km) |
| Gualdo Tadino to Orly | 626.59 mi (1,008.40 km) |
| Gualdo Tadino to Ormesson-sur-Marne | 622.70 mi (1,002.14 km) |
| Gualdo Tadino to Orsay | 632.70 mi (1,018.24 km) |
