| Chorzow to Oerlinghausen | 460.05 mi (740.37 km) |
| Chorzow to Oestrich-Winkel | 484.80 mi (780.21 km) |
| Chorzow to Offenburg | 510.93 mi (822.26 km) |
| Chorzow to Oftersheim | 465.97 mi (749.91 km) |
| Chorzow to Ohrdruf | 362.30 mi (583.06 km) |
| Chorzow to Ohringen | 428.36 mi (689.38 km) |
| Chorzow to Olbernhau | 248.17 mi (399.39 km) |
| Chorzow to Olching | 373.37 mi (600.89 km) |
| Chorzow to Oldenburg | 499.14 mi (803.29 km) |
| Chorzow to Oldenburg in Holstein | 438.35 mi (705.45 km) |
| Chorzow to Olfen | 511.71 mi (823.52 km) |
| Chorzow to Olpe | 488.96 mi (786.91 km) |
| Chorzow to Olsberg | 462.14 mi (743.74 km) |
| Chorzow to Oranienburg | 298.30 mi (480.07 km) |
| Chorzow to Ortenberg | 436.14 mi (701.90 km) |
