| Neder-Over-Heembeek to Obernburg am Main | 222.06 mi (357.37 km) |
| Neder-Over-Heembeek to Obernkirchen | 224.06 mi (360.60 km) |
| Neder-Over-Heembeek to Oberschleissheim | 370.05 mi (595.53 km) |
| Neder-Over-Heembeek to Oberstdorf | 359.16 mi (578.01 km) |
| Neder-Over-Heembeek to Obertraubling | 370.84 mi (596.82 km) |
| Neder-Over-Heembeek to Obertshausen | 203.90 mi (328.15 km) |
| Neder-Over-Heembeek to Oberursel | 190.26 mi (306.20 km) |
| Neder-Over-Heembeek to Ochsenfurt | 265.33 mi (427.01 km) |
| Neder-Over-Heembeek to Ochsenhausen | 316.97 mi (510.11 km) |
| Neder-Over-Heembeek to Ochtrup | 150.58 mi (242.34 km) |
| Neder-Over-Heembeek to Odenthal | 119.29 mi (191.98 km) |
| Neder-Over-Heembeek to Oelde | 174.79 mi (281.29 km) |
| Neder-Over-Heembeek to Oelsnitz | 342.39 mi (551.03 km) |
| Neder-Over-Heembeek to Oer-Erkenschwick | 134.13 mi (215.86 km) |
| Neder-Over-Heembeek to Oerlinghausen | 198.64 mi (319.68 km) |
