| Idar-Oberstein to Beyne-Heusay | 96.59 mi (155.45 km) |
| Idar-Oberstein to Bierbeek | 136.57 mi (219.78 km) |
| Idar-Oberstein to Bilzen | 112.51 mi (181.07 km) |
| Idar-Oberstein to Binche | 147.45 mi (237.30 km) |
| Idar-Oberstein to Bissegem | 196.35 mi (316.00 km) |
| Idar-Oberstein to Blankenberge | 214.55 mi (345.28 km) |
| Idar-Oberstein to Blegny | 96.12 mi (154.70 km) |
| Idar-Oberstein to Bocholt | 126.51 mi (203.60 km) |
| Idar-Oberstein to Boechout | 159.33 mi (256.42 km) |
| Idar-Oberstein to Bonheiden | 152.78 mi (245.88 km) |
| Idar-Oberstein to Boom | 160.68 mi (258.59 km) |
| Idar-Oberstein to Boortmeerbeek | 149.60 mi (240.76 km) |
| Idar-Oberstein to Borgerhout | 163.40 mi (262.97 km) |
| Idar-Oberstein to Borgloon | 115.11 mi (185.25 km) |
| Idar-Oberstein to Bornem | 166.11 mi (267.32 km) |
