| Charleroi to Orzesze | 631.45 mi (1,016.22 km) |
| Charleroi to Osowa | 652.26 mi (1,049.70 km) |
| Charleroi to Ostroda | 696.59 mi (1,121.06 km) |
| Charleroi to Ostroleka | 753.94 mi (1,213.35 km) |
| Charleroi to Ostrow Mazowiecka | 765.69 mi (1,232.26 km) |
| Charleroi to Ostrow Wielkopolski | 587.13 mi (944.89 km) |
| Charleroi to Ostrowiec Swietokrzyski | 742.30 mi (1,194.62 km) |
| Charleroi to Ostrzeszow | 591.49 mi (951.90 km) |
| Charleroi to Oswiecim | 653.18 mi (1,051.18 km) |
| Charleroi to Otwock | 735.74 mi (1,184.05 km) |
| Charleroi to Ozarow Mazowiecki | 716.36 mi (1,152.87 km) |
| Charleroi to Ozimek | 604.56 mi (972.94 km) |
| Charleroi to Ozorkow | 651.00 mi (1,047.69 km) |
| Charleroi to Pabianice | 654.24 mi (1,052.90 km) |
| Charleroi to Parczew | 803.58 mi (1,293.24 km) |
