| Salzgitter to Oberkirch | 268.83 mi (432.64 km) |
| Salzgitter to Obernburg am Main | 167.80 mi (270.06 km) |
| Salzgitter to Obernkirchen | 52.09 mi (83.83 km) |
| Salzgitter to Oberschleissheim | 274.92 mi (442.44 km) |
| Salzgitter to Oberstdorf | 327.53 mi (527.11 km) |
| Salzgitter to Obertraubling | 234.25 mi (376.98 km) |
| Salzgitter to Obertshausen | 157.96 mi (254.21 km) |
| Salzgitter to Oberursel | 154.52 mi (248.67 km) |
| Salzgitter to Ochsenfurt | 173.12 mi (278.61 km) |
| Salzgitter to Ochsenhausen | 282.26 mi (454.26 km) |
| Salzgitter to Ochtrup | 133.21 mi (214.38 km) |
| Salzgitter to Odenthal | 158.15 mi (254.51 km) |
| Salzgitter to Oelde | 95.43 mi (153.58 km) |
| Salzgitter to Oelsnitz | 143.59 mi (231.08 km) |
| Salzgitter to Oer-Erkenschwick | 136.02 mi (218.90 km) |
