| Merseburg to Obernburg am Main | 163.04 mi (262.38 km) |
| Merseburg to Obernkirchen | 138.02 mi (222.13 km) |
| Merseburg to Oberschleissheim | 215.33 mi (346.54 km) |
| Merseburg to Oberstdorf | 283.22 mi (455.80 km) |
| Merseburg to Obertraubling | 165.22 mi (265.89 km) |
| Merseburg to Obertshausen | 164.37 mi (264.53 km) |
| Merseburg to Oberursel | 169.08 mi (272.11 km) |
| Merseburg to Ochsenfurt | 145.02 mi (233.38 km) |
| Merseburg to Ochsenhausen | 244.46 mi (393.42 km) |
| Merseburg to Ochtrup | 213.50 mi (343.60 km) |
| Merseburg to Odenthal | 212.26 mi (341.59 km) |
| Merseburg to Oelde | 168.21 mi (270.71 km) |
| Merseburg to Oelsnitz | 65.23 mi (104.98 km) |
| Merseburg to Oer-Erkenschwick | 204.90 mi (329.75 km) |
| Merseburg to Oerlinghausen | 148.69 mi (239.29 km) |
