| Monteriggioni to Octeville | 746.04 mi (1,200.64 km) |
| Monteriggioni to Oignies | 622.97 mi (1,002.58 km) |
| Monteriggioni to Oissel | 632.72 mi (1,018.27 km) |
| Monteriggioni to Olivet | 545.04 mi (877.15 km) |
| Monteriggioni to Ollioules | 270.70 mi (435.65 km) |
| Monteriggioni to Olonne-sur-Mer | 669.98 mi (1,078.23 km) |
| Monteriggioni to Oloron-Sainte-Marie | 594.23 mi (956.32 km) |
| Monteriggioni to Onet Village | 434.37 mi (699.05 km) |
| Monteriggioni to Onnaing | 601.40 mi (967.87 km) |
| Monteriggioni to Orange | 323.63 mi (520.84 km) |
| Monteriggioni to Orchies | 616.02 mi (991.39 km) |
| Monteriggioni to Orleans | 546.08 mi (878.84 km) |
| Monteriggioni to Orly | 560.80 mi (902.52 km) |
| Monteriggioni to Ormesson-sur-Marne | 557.39 mi (897.03 km) |
| Monteriggioni to Orsay | 566.31 mi (911.39 km) |
