| Idar-Oberstein to Bougival | 240.33 mi (386.77 km) |
| Idar-Oberstein to Bouguenais | 444.99 mi (716.14 km) |
| Idar-Oberstein to Boulogne-Billancourt | 236.48 mi (380.58 km) |
| Idar-Oberstein to Boulogne-sur-Mer | 261.43 mi (420.73 km) |
| Idar-Oberstein to Bourg-de-Peage | 339.79 mi (546.84 km) |
| Idar-Oberstein to Bourg-en-Bresse | 260.69 mi (419.54 km) |
| Idar-Oberstein to Bourg-la-Reine | 234.40 mi (377.23 km) |
| Idar-Oberstein to Bourg-les-Valence | 348.03 mi (560.11 km) |
| Idar-Oberstein to Bourges | 289.41 mi (465.76 km) |
| Idar-Oberstein to Bourgoin-Jallieu | 300.39 mi (483.44 km) |
| Idar-Oberstein to Bressuire | 409.67 mi (659.30 km) |
| Idar-Oberstein to Brest | 541.63 mi (871.67 km) |
| Idar-Oberstein to Bretigny-sur-Orge | 238.61 mi (384.00 km) |
| Idar-Oberstein to Breuillet | 245.46 mi (395.03 km) |
| Idar-Oberstein to Briancon | 334.24 mi (537.90 km) |
