| Idar-Oberstein to Brandenburg | 293.67 mi (472.62 km) |
| Idar-Oberstein to Brandis | 258.17 mi (415.49 km) |
| Idar-Oberstein to Braunfels | 73.10 mi (117.65 km) |
| Idar-Oberstein to Braunsbedra | 228.94 mi (368.44 km) |
| Idar-Oberstein to Braunschweig | 224.86 mi (361.88 km) |
| Idar-Oberstein to Breckerfeld | 107.67 mi (173.28 km) |
| Idar-Oberstein to Breisach am Rhein | 116.59 mi (187.64 km) |
| Idar-Oberstein to Bremen | 241.62 mi (388.85 km) |
| Idar-Oberstein to Bremerhaven | 270.75 mi (435.72 km) |
| Idar-Oberstein to Bremervorde | 272.05 mi (437.82 km) |
| Idar-Oberstein to Bretten | 78.12 mi (125.72 km) |
| Idar-Oberstein to Bretzfeld | 101.99 mi (164.13 km) |
| Idar-Oberstein to Brieselang | 316.28 mi (509.00 km) |
| Idar-Oberstein to Brilon | 128.74 mi (207.19 km) |
| Idar-Oberstein to Bruchhausen-Vilsen | 227.68 mi (366.41 km) |
