| Rowley Regis to Oberkirch | 521.70 mi (839.60 km) |
| Rowley Regis to Obernburg am Main | 517.60 mi (833.00 km) |
| Rowley Regis to Obernkirchen | 470.82 mi (757.72 km) |
| Rowley Regis to Oberschleissheim | 666.31 mi (1,072.32 km) |
| Rowley Regis to Oberstdorf | 649.52 mi (1,045.30 km) |
| Rowley Regis to Obertraubling | 666.34 mi (1,072.37 km) |
| Rowley Regis to Obertshausen | 498.66 mi (802.52 km) |
| Rowley Regis to Oberursel | 484.49 mi (779.71 km) |
| Rowley Regis to Ochsenfurt | 560.59 mi (902.18 km) |
| Rowley Regis to Ochsenhausen | 610.23 mi (982.06 km) |
| Rowley Regis to Ochtrup | 390.23 mi (628.02 km) |
| Rowley Regis to Odenthal | 404.39 mi (650.80 km) |
| Rowley Regis to Oelde | 434.32 mi (698.97 km) |
| Rowley Regis to Oelsnitz | 627.51 mi (1,009.87 km) |
| Rowley Regis to Oer-Erkenschwick | 399.07 mi (642.25 km) |
