| Mondolfo to Octeville | 806.13 mi (1,297.34 km) |
| Mondolfo to Oignies | 663.26 mi (1,067.42 km) |
| Mondolfo to Oissel | 687.87 mi (1,107.03 km) |
| Mondolfo to Olivet | 608.89 mi (979.92 km) |
| Mondolfo to Ollioules | 366.16 mi (589.28 km) |
| Mondolfo to Olonne-sur-Mer | 748.67 mi (1,204.87 km) |
| Mondolfo to Oloron-Sainte-Marie | 687.56 mi (1,106.52 km) |
| Mondolfo to Onet Village | 523.04 mi (841.76 km) |
| Mondolfo to Onnaing | 639.57 mi (1,029.29 km) |
| Mondolfo to Orange | 413.12 mi (664.86 km) |
| Mondolfo to Orchies | 655.19 mi (1,054.43 km) |
| Mondolfo to Orleans | 609.61 mi (981.08 km) |
| Mondolfo to Orly | 616.19 mi (991.66 km) |
| Mondolfo to Ormesson-sur-Marne | 611.94 mi (984.82 km) |
| Mondolfo to Orsay | 622.76 mi (1,002.24 km) |
