| Machelen to Obernburg am Main | 220.06 mi (354.15 km) |
| Machelen to Obernkirchen | 221.67 mi (356.74 km) |
| Machelen to Oberschleissheim | 368.30 mi (592.72 km) |
| Machelen to Oberstdorf | 357.83 mi (575.88 km) |
| Machelen to Obertraubling | 368.86 mi (593.62 km) |
| Machelen to Obertshausen | 201.83 mi (324.82 km) |
| Machelen to Oberursel | 188.16 mi (302.81 km) |
| Machelen to Ochsenfurt | 263.31 mi (423.76 km) |
| Machelen to Ochsenhausen | 315.51 mi (507.76 km) |
| Machelen to Ochtrup | 148.31 mi (238.68 km) |
| Machelen to Odenthal | 116.90 mi (188.14 km) |
| Machelen to Oelde | 172.37 mi (277.40 km) |
| Machelen to Oelsnitz | 340.10 mi (547.34 km) |
| Machelen to Oer-Erkenschwick | 131.71 mi (211.97 km) |
| Machelen to Oerlinghausen | 196.22 mi (315.79 km) |
