| Idstein to Brie-Comte-Robert | 275.30 mi (443.05 km) |
| Idstein to Brignais | 353.77 mi (569.34 km) |
| Idstein to Brignoles | 482.28 mi (776.15 km) |
| Idstein to Brive-la-Gaillarde | 469.37 mi (755.38 km) |
| Idstein to Bron | 346.35 mi (557.39 km) |
| Idstein to Bruay-sur-l'Escaut | 209.25 mi (336.76 km) |
| Idstein to Bruges | 554.07 mi (891.70 km) |
| Idstein to Brumath | 105.95 mi (170.51 km) |
| Idstein to Brunoy | 279.57 mi (449.92 km) |
| Idstein to Bruz | 477.36 mi (768.24 km) |
| Idstein to Bry-sur-Marne | 274.90 mi (442.41 km) |
| Idstein to Bully-les-Mines | 245.20 mi (394.61 km) |
| Idstein to Bures-sur-Yvette | 293.92 mi (473.02 km) |
| Idstein to Bussy-Saint-Georges | 267.49 mi (430.48 km) |
| Idstein to Buxerolles | 440.97 mi (709.67 km) |
