| Castrop-Rauxel to Northeim | 115.64 mi (186.10 km) |
| Castrop-Rauxel to Norvenich | 59.32 mi (95.47 km) |
| Castrop-Rauxel to Nossen | 260.70 mi (419.56 km) |
| Castrop-Rauxel to Nottuln | 26.15 mi (42.09 km) |
| Castrop-Rauxel to Numbrecht | 45.60 mi (73.39 km) |
| Castrop-Rauxel to Nuremberg | 219.70 mi (353.57 km) |
| Castrop-Rauxel to Nurtingen | 220.44 mi (354.76 km) |
| Castrop-Rauxel to Nussloch | 165.33 mi (266.07 km) |
| Castrop-Rauxel to Ober-Ramstadt | 134.18 mi (215.93 km) |
| Castrop-Rauxel to Oberasbach | 217.32 mi (349.74 km) |
| Castrop-Rauxel to Oberderdingen | 183.93 mi (296.01 km) |
| Castrop-Rauxel to Oberhaching | 309.45 mi (498.01 km) |
| Castrop-Rauxel to Oberhausen | 19.53 mi (31.43 km) |
| Castrop-Rauxel to Oberhausen-Rheinhausen | 166.33 mi (267.69 km) |
| Castrop-Rauxel to Oberkirch | 211.19 mi (339.87 km) |
