| Merchweiler to Obernburg am Main | 98.92 mi (159.20 km) |
| Merchweiler to Obernkirchen | 219.95 mi (353.98 km) |
| Merchweiler to Oberschleissheim | 218.92 mi (352.32 km) |
| Merchweiler to Oberstdorf | 199.93 mi (321.75 km) |
| Merchweiler to Obertraubling | 232.29 mi (373.84 km) |
| Merchweiler to Obertshausen | 93.05 mi (149.75 km) |
| Merchweiler to Oberursel | 89.28 mi (143.69 km) |
| Merchweiler to Ochsenfurt | 136.37 mi (219.47 km) |
| Merchweiler to Ochsenhausen | 158.90 mi (255.73 km) |
| Merchweiler to Ochtrup | 196.67 mi (316.52 km) |
| Merchweiler to Odenthal | 115.62 mi (186.07 km) |
| Merchweiler to Oelde | 177.42 mi (285.54 km) |
| Merchweiler to Oelsnitz | 238.70 mi (384.15 km) |
| Merchweiler to Oer-Erkenschwick | 157.89 mi (254.09 km) |
| Merchweiler to Oerlinghausen | 193.33 mi (311.14 km) |
