| Montefiascone to Octeville | 816.37 mi (1,313.83 km) |
| Montefiascone to Oignies | 695.70 mi (1,119.63 km) |
| Montefiascone to Oissel | 704.22 mi (1,133.33 km) |
| Montefiascone to Olivet | 614.81 mi (989.44 km) |
| Montefiascone to Ollioules | 316.15 mi (508.80 km) |
| Montefiascone to Olonne-sur-Mer | 732.81 mi (1,179.35 km) |
| Montefiascone to Oloron-Sainte-Marie | 641.15 mi (1,031.83 km) |
| Montefiascone to Onet Village | 489.81 mi (788.28 km) |
| Montefiascone to Onnaing | 674.13 mi (1,084.91 km) |
| Montefiascone to Orange | 379.43 mi (610.63 km) |
| Montefiascone to Orchies | 688.76 mi (1,108.45 km) |
| Montefiascone to Orleans | 615.95 mi (991.27 km) |
| Montefiascone to Orly | 632.37 mi (1,017.70 km) |
| Montefiascone to Ormesson-sur-Marne | 629.09 mi (1,012.43 km) |
| Montefiascone to Orsay | 637.70 mi (1,026.28 km) |
