| Wittenberge to Oberkirch | 347.63 mi (559.45 km) |
| Wittenberge to Obernburg am Main | 245.53 mi (395.14 km) |
| Wittenberge to Obernkirchen | 121.45 mi (195.45 km) |
| Wittenberge to Oberschleissheim | 328.29 mi (528.33 km) |
| Wittenberge to Oberstdorf | 391.67 mi (630.33 km) |
| Wittenberge to Obertraubling | 279.32 mi (449.53 km) |
| Wittenberge to Obertshausen | 238.26 mi (383.45 km) |
| Wittenberge to Oberursel | 236.34 mi (380.36 km) |
| Wittenberge to Ochsenfurt | 242.59 mi (390.41 km) |
| Wittenberge to Ochsenhausen | 349.52 mi (562.50 km) |
| Wittenberge to Ochtrup | 199.02 mi (320.28 km) |
| Wittenberge to Odenthal | 239.26 mi (385.05 km) |
| Wittenberge to Oelde | 171.77 mi (276.43 km) |
| Wittenberge to Oelsnitz | 179.38 mi (288.68 km) |
| Wittenberge to Oer-Erkenschwick | 211.86 mi (340.95 km) |
