| Nijmegen to Oberkirch | 249.14 mi (400.96 km) |
| Nijmegen to Obernburg am Main | 199.22 mi (320.61 km) |
| Nijmegen to Obernkirchen | 141.28 mi (227.37 km) |
| Nijmegen to Oberschleissheim | 354.53 mi (570.56 km) |
| Nijmegen to Oberstdorf | 364.66 mi (586.87 km) |
| Nijmegen to Obertraubling | 341.44 mi (549.49 km) |
| Nijmegen to Obertshausen | 178.46 mi (287.20 km) |
| Nijmegen to Oberursel | 163.75 mi (263.53 km) |
| Nijmegen to Ochsenfurt | 238.33 mi (383.56 km) |
| Nijmegen to Ochsenhausen | 317.73 mi (511.33 km) |
| Nijmegen to Ochtrup | 61.63 mi (99.19 km) |
| Nijmegen to Odenthal | 77.99 mi (125.51 km) |
| Nijmegen to Oelde | 97.65 mi (157.16 km) |
| Nijmegen to Oelsnitz | 290.55 mi (467.59 km) |
| Nijmegen to Oer-Erkenschwick | 61.06 mi (98.27 km) |
