| Champs-Sur-Marne to Oria | 934.38 mi (1,503.74 km) |
| Champs-Sur-Marne to Oristano | 684.76 mi (1,102.01 km) |
| Champs-Sur-Marne to Orta Nova | 822.02 mi (1,322.91 km) |
| Champs-Sur-Marne to Orte | 645.82 mi (1,039.34 km) |
| Champs-Sur-Marne to Ortona | 724.62 mi (1,166.17 km) |
| Champs-Sur-Marne to Orvieto | 623.24 mi (1,003.00 km) |
| Champs-Sur-Marne to Orzinuovi | 418.84 mi (674.05 km) |
| Champs-Sur-Marne to Osimo | 638.31 mi (1,027.26 km) |
| Champs-Sur-Marne to Ospitaletto | 417.90 mi (672.55 km) |
| Champs-Sur-Marne to Ostuni | 921.50 mi (1,483.02 km) |
| Champs-Sur-Marne to Ottaviano | 800.81 mi (1,288.77 km) |
| Champs-Sur-Marne to Ovada | 407.96 mi (656.56 km) |
| Champs-Sur-Marne to Ozieri | 651.43 mi (1,048.38 km) |
| Champs-Sur-Marne to Paceco | 900.10 mi (1,448.58 km) |
| Champs-Sur-Marne to Pachino | 1,048.15 mi (1,686.83 km) |
