| Rowley Regis to Oerlinghausen | 454.56 mi (731.54 km) |
| Rowley Regis to Oestrich-Winkel | 466.95 mi (751.49 km) |
| Rowley Regis to Offenburg | 518.82 mi (834.95 km) |
| Rowley Regis to Oftersheim | 510.11 mi (820.94 km) |
| Rowley Regis to Ohrdruf | 558.98 mi (899.59 km) |
| Rowley Regis to Ohringen | 551.93 mi (888.24 km) |
| Rowley Regis to Olbernhau | 671.06 mi (1,079.97 km) |
| Rowley Regis to Olching | 658.29 mi (1,059.42 km) |
| Rowley Regis to Oldenburg | 430.62 mi (693.01 km) |
| Rowley Regis to Oldenburg in Holstein | 546.52 mi (879.55 km) |
| Rowley Regis to Olfen | 403.59 mi (649.52 km) |
| Rowley Regis to Olpe | 434.41 mi (699.11 km) |
| Rowley Regis to Olsberg | 455.28 mi (732.71 km) |
| Rowley Regis to Oranienburg | 640.27 mi (1,030.42 km) |
| Rowley Regis to Ortenberg | 500.05 mi (804.76 km) |
