| Sonneberg to Oberkirch | 186.91 mi (300.80 km) |
| Sonneberg to Obernburg am Main | 96.43 mi (155.20 km) |
| Sonneberg to Obernkirchen | 159.25 mi (256.28 km) |
| Sonneberg to Oberschleissheim | 146.21 mi (235.30 km) |
| Sonneberg to Oberstdorf | 207.11 mi (333.32 km) |
| Sonneberg to Obertraubling | 105.58 mi (169.92 km) |
| Sonneberg to Obertshausen | 105.02 mi (169.01 km) |
| Sonneberg to Oberursel | 114.80 mi (184.75 km) |
| Sonneberg to Ochsenfurt | 68.74 mi (110.63 km) |
| Sonneberg to Ochsenhausen | 166.71 mi (268.29 km) |
| Sonneberg to Ochtrup | 214.37 mi (344.99 km) |
| Sonneberg to Odenthal | 183.42 mi (295.19 km) |
| Sonneberg to Oelde | 166.23 mi (267.53 km) |
| Sonneberg to Oelsnitz | 44.30 mi (71.29 km) |
| Sonneberg to Oer-Erkenschwick | 192.24 mi (309.37 km) |
