| Nijmegen to Oerlinghausen | 119.81 mi (192.81 km) |
| Nijmegen to Oestrich-Winkel | 157.98 mi (254.24 km) |
| Nijmegen to Offenburg | 250.91 mi (403.80 km) |
| Nijmegen to Oftersheim | 208.62 mi (335.74 km) |
| Nijmegen to Ohrdruf | 221.66 mi (356.72 km) |
| Nijmegen to Ohringen | 242.82 mi (390.78 km) |
| Nijmegen to Olbernhau | 333.02 mi (535.94 km) |
| Nijmegen to Olching | 349.29 mi (562.12 km) |
| Nijmegen to Oldenburg | 133.43 mi (214.73 km) |
| Nijmegen to Oldenburg in Holstein | 268.50 mi (432.11 km) |
| Nijmegen to Olfen | 65.63 mi (105.62 km) |
| Nijmegen to Olpe | 102.47 mi (164.92 km) |
| Nijmegen to Olsberg | 117.61 mi (189.27 km) |
| Nijmegen to Oranienburg | 317.67 mi (511.24 km) |
| Nijmegen to Ortenberg | 172.63 mi (277.83 km) |
