| Nogent-le-Rotrou to Oria | 986.90 mi (1,588.27 km) |
| Nogent-le-Rotrou to Oristano | 696.81 mi (1,121.41 km) |
| Nogent-le-Rotrou to Orta Nova | 872.70 mi (1,404.47 km) |
| Nogent-le-Rotrou to Orte | 690.80 mi (1,111.74 km) |
| Nogent-le-Rotrou to Ortona | 776.23 mi (1,249.22 km) |
| Nogent-le-Rotrou to Orvieto | 668.63 mi (1,076.06 km) |
| Nogent-le-Rotrou to Orzinuovi | 475.05 mi (764.51 km) |
| Nogent-le-Rotrou to Osimo | 693.30 mi (1,115.76 km) |
| Nogent-le-Rotrou to Ospitaletto | 476.07 mi (766.15 km) |
| Nogent-le-Rotrou to Ostuni | 974.83 mi (1,568.83 km) |
| Nogent-le-Rotrou to Ottaviano | 845.28 mi (1,360.35 km) |
| Nogent-le-Rotrou to Ovada | 450.57 mi (725.12 km) |
| Nogent-le-Rotrou to Ozieri | 668.94 mi (1,076.56 km) |
| Nogent-le-Rotrou to Paceco | 925.05 mi (1,488.72 km) |
| Nogent-le-Rotrou to Pachino | 1,078.89 mi (1,736.31 km) |
