| Idar-Oberstein to Northeim | 181.19 mi (291.59 km) |
| Idar-Oberstein to Norvenich | 80.72 mi (129.90 km) |
| Idar-Oberstein to Nossen | 279.43 mi (449.70 km) |
| Idar-Oberstein to Nottuln | 153.15 mi (246.47 km) |
| Idar-Oberstein to Numbrecht | 83.11 mi (133.75 km) |
| Idar-Oberstein to Nuremberg | 169.55 mi (272.86 km) |
| Idar-Oberstein to Nurtingen | 117.79 mi (189.57 km) |
| Idar-Oberstein to Nussloch | 67.48 mi (108.60 km) |
| Idar-Oberstein to Ober-Ramstadt | 64.67 mi (104.07 km) |
| Idar-Oberstein to Oberasbach | 164.55 mi (264.82 km) |
| Idar-Oberstein to Oberderdingen | 80.58 mi (129.68 km) |
| Idar-Oberstein to Oberhaching | 226.63 mi (364.72 km) |
| Idar-Oberstein to Oberhausen | 124.87 mi (200.96 km) |
| Idar-Oberstein to Oberhausen-Rheinhausen | 61.13 mi (98.38 km) |
| Idar-Oberstein to Oberkirch | 88.54 mi (142.48 km) |
