| Tortoreto to Octeville | 878.27 mi (1,413.43 km) |
| Tortoreto to Oignies | 739.70 mi (1,190.43 km) |
| Tortoreto to Oissel | 761.38 mi (1,225.32 km) |
| Tortoreto to Olivet | 679.36 mi (1,093.33 km) |
| Tortoreto to Ollioules | 408.50 mi (657.41 km) |
| Tortoreto to Olonne-sur-Mer | 811.39 mi (1,305.80 km) |
| Tortoreto to Oloron-Sainte-Marie | 733.51 mi (1,180.47 km) |
| Tortoreto to Onet Village | 576.45 mi (927.71 km) |
| Tortoreto to Onnaing | 716.24 mi (1,152.67 km) |
| Tortoreto to Orange | 465.67 mi (749.42 km) |
| Tortoreto to Orchies | 731.76 mi (1,177.65 km) |
| Tortoreto to Orleans | 680.21 mi (1,094.69 km) |
| Tortoreto to Orly | 689.51 mi (1,109.65 km) |
| Tortoreto to Ormesson-sur-Marne | 685.48 mi (1,103.17 km) |
| Tortoreto to Orsay | 695.79 mi (1,119.76 km) |
