| Morlanwelz-Mariemont to Obernburg am Main | 221.33 mi (356.19 km) |
| Morlanwelz-Mariemont to Obernkirchen | 245.21 mi (394.62 km) |
| Morlanwelz-Mariemont to Oberschleissheim | 363.18 mi (584.49 km) |
| Morlanwelz-Mariemont to Oberstdorf | 345.42 mi (555.91 km) |
| Morlanwelz-Mariemont to Obertraubling | 368.81 mi (593.55 km) |
| Morlanwelz-Mariemont to Obertshausen | 204.88 mi (329.72 km) |
| Morlanwelz-Mariemont to Oberursel | 192.32 mi (309.52 km) |
| Morlanwelz-Mariemont to Ochsenfurt | 264.57 mi (425.78 km) |
| Morlanwelz-Mariemont to Ochsenhausen | 305.47 mi (491.61 km) |
| Morlanwelz-Mariemont to Ochtrup | 176.08 mi (283.37 km) |
| Morlanwelz-Mariemont to Odenthal | 132.35 mi (212.99 km) |
| Morlanwelz-Mariemont to Oelde | 194.80 mi (313.50 km) |
| Morlanwelz-Mariemont to Oelsnitz | 349.00 mi (561.66 km) |
| Morlanwelz-Mariemont to Oer-Erkenschwick | 154.79 mi (249.11 km) |
| Morlanwelz-Mariemont to Oerlinghausen | 218.60 mi (351.80 km) |
