| Idar-Oberstein to Barcellona-Pozzo di Gotto | 889.19 mi (1,431.02 km) |
| Idar-Oberstein to Bareggio | 303.41 mi (488.29 km) |
| Idar-Oberstein to Barga | 417.09 mi (671.24 km) |
| Idar-Oberstein to Bari | 751.48 mi (1,209.38 km) |
| Idar-Oberstein to Barletta | 723.50 mi (1,164.36 km) |
| Idar-Oberstein to Baronissi | 717.08 mi (1,154.03 km) |
| Idar-Oberstein to Barrafranca | 919.08 mi (1,479.11 km) |
| Idar-Oberstein to Bassano del Grappa | 341.17 mi (549.06 km) |
| Idar-Oberstein to Battipaglia | 730.21 mi (1,175.15 km) |
| Idar-Oberstein to Beinasco | 324.62 mi (522.42 km) |
| Idar-Oberstein to Bellinzago Novarese | 291.76 mi (469.54 km) |
| Idar-Oberstein to Belluno | 335.15 mi (539.38 km) |
| Idar-Oberstein to Belmonte Mezzagno | 859.85 mi (1,383.80 km) |
| Idar-Oberstein to Belpasso | 920.38 mi (1,481.20 km) |
| Idar-Oberstein to Belvedere Marittimo | 813.14 mi (1,308.62 km) |
