| Saint-Michel-sur-Orge to Oria | 937.97 mi (1,509.52 km) |
| Saint-Michel-sur-Orge to Oristano | 677.94 mi (1,091.03 km) |
| Saint-Michel-sur-Orge to Orta Nova | 825.01 mi (1,327.72 km) |
| Saint-Michel-sur-Orge to Orte | 647.04 mi (1,041.31 km) |
| Saint-Michel-sur-Orge to Ortona | 727.79 mi (1,171.27 km) |
| Saint-Michel-sur-Orge to Orvieto | 624.54 mi (1,005.11 km) |
| Saint-Michel-sur-Orge to Orzinuovi | 422.89 mi (680.57 km) |
| Saint-Michel-sur-Orge to Osimo | 642.37 mi (1,033.80 km) |
| Saint-Michel-sur-Orge to Ospitaletto | 422.55 mi (680.03 km) |
| Saint-Michel-sur-Orge to Ostuni | 925.32 mi (1,489.16 km) |
| Saint-Michel-sur-Orge to Ottaviano | 802.06 mi (1,290.79 km) |
| Saint-Michel-sur-Orge to Ovada | 408.03 mi (656.66 km) |
| Saint-Michel-sur-Orge to Ozieri | 645.79 mi (1,039.30 km) |
| Saint-Michel-sur-Orge to Paceco | 896.48 mi (1,442.75 km) |
| Saint-Michel-sur-Orge to Pachino | 1,046.04 mi (1,683.44 km) |
