| Wolfenbuttel to Oberkirch | 273.03 mi (439.41 km) |
| Wolfenbuttel to Obernburg am Main | 171.53 mi (276.05 km) |
| Wolfenbuttel to Obernkirchen | 60.51 mi (97.37 km) |
| Wolfenbuttel to Oberschleissheim | 274.11 mi (441.13 km) |
| Wolfenbuttel to Oberstdorf | 328.57 mi (528.78 km) |
| Wolfenbuttel to Obertraubling | 232.13 mi (373.58 km) |
| Wolfenbuttel to Obertshausen | 162.54 mi (261.58 km) |
| Wolfenbuttel to Oberursel | 159.75 mi (257.09 km) |
| Wolfenbuttel to Ochsenfurt | 174.78 mi (281.28 km) |
| Wolfenbuttel to Ochsenhausen | 283.79 mi (456.72 km) |
| Wolfenbuttel to Ochtrup | 141.79 mi (228.19 km) |
| Wolfenbuttel to Odenthal | 166.20 mi (267.48 km) |
| Wolfenbuttel to Oelde | 104.05 mi (167.45 km) |
| Wolfenbuttel to Oelsnitz | 139.65 mi (224.74 km) |
| Wolfenbuttel to Oer-Erkenschwick | 144.61 mi (232.73 km) |
