| Idar-Oberstein to Azcoitia | 642.17 mi (1,033.47 km) |
| Idar-Oberstein to Azpeitia | 640.50 mi (1,030.79 km) |
| Idar-Oberstein to Azuqueca de Henares | 814.06 mi (1,310.10 km) |
| Idar-Oberstein to Badajoz | 1,025.83 mi (1,650.91 km) |
| Idar-Oberstein to Badalona | 622.13 mi (1,001.23 km) |
| Idar-Oberstein to Baena | 1,015.37 mi (1,634.08 km) |
| Idar-Oberstein to Baeza | 970.03 mi (1,561.11 km) |
| Idar-Oberstein to Bailen | 972.31 mi (1,564.78 km) |
| Idar-Oberstein to Balaguer | 630.28 mi (1,014.33 km) |
| Idar-Oberstein to Banolas | 568.00 mi (914.10 km) |
| Idar-Oberstein to Baranain | 641.04 mi (1,031.65 km) |
| Idar-Oberstein to Barbadanes | 889.34 mi (1,431.25 km) |
| Idar-Oberstein to Barbastro | 632.39 mi (1,017.74 km) |
| Idar-Oberstein to Barcelona | 626.47 mi (1,008.21 km) |
| Idar-Oberstein to Bargas | 872.21 mi (1,403.69 km) |
