| Charleville-Mezieres to Oria | 895.80 mi (1,441.64 km) |
| Charleville-Mezieres to Oristano | 707.38 mi (1,138.41 km) |
| Charleville-Mezieres to Orta Nova | 787.79 mi (1,267.83 km) |
| Charleville-Mezieres to Orte | 623.92 mi (1,004.11 km) |
| Charleville-Mezieres to Ortona | 690.64 mi (1,111.47 km) |
| Charleville-Mezieres to Orvieto | 601.32 mi (967.73 km) |
| Charleville-Mezieres to Orzinuovi | 387.56 mi (623.72 km) |
| Charleville-Mezieres to Osimo | 600.75 mi (966.82 km) |
| Charleville-Mezieres to Ospitaletto | 383.23 mi (616.76 km) |
| Charleville-Mezieres to Ostuni | 881.81 mi (1,419.14 km) |
| Charleville-Mezieres to Ottaviano | 776.43 mi (1,249.55 km) |
| Charleville-Mezieres to Ovada | 399.62 mi (643.12 km) |
| Charleville-Mezieres to Ozieri | 667.93 mi (1,074.93 km) |
| Charleville-Mezieres to Paceco | 901.95 mi (1,451.55 km) |
| Charleville-Mezieres to Pachino | 1,040.24 mi (1,674.11 km) |
