| Idar-Oberstein to Barmstedt | 300.24 mi (483.18 km) |
| Idar-Oberstein to Barntrup | 175.56 mi (282.54 km) |
| Idar-Oberstein to Barsbuttel | 293.08 mi (471.66 km) |
| Idar-Oberstein to Barsinghausen | 202.15 mi (325.33 km) |
| Idar-Oberstein to Barssel | 239.71 mi (385.78 km) |
| Idar-Oberstein to Barth | 394.98 mi (635.65 km) |
| Idar-Oberstein to Bassum | 225.25 mi (362.50 km) |
| Idar-Oberstein to Baunatal | 141.40 mi (227.56 km) |
| Idar-Oberstein to Bautzen | 328.79 mi (529.14 km) |
| Idar-Oberstein to Bayreuth | 190.77 mi (307.02 km) |
| Idar-Oberstein to Bebra | 139.66 mi (224.76 km) |
| Idar-Oberstein to Beckingen | 35.18 mi (56.62 km) |
| Idar-Oberstein to Beckum | 144.73 mi (232.93 km) |
| Idar-Oberstein to Bedburg | 150.35 mi (241.97 km) |
| Idar-Oberstein to Bedburg | 94.98 mi (152.86 km) |
