| Idanha-a-Nova to Beuvry | 875.48 mi (1,408.95 km) |
| Idanha-a-Nova to Beziers | 588.99 mi (947.88 km) |
| Idanha-a-Nova to Bezons | 776.55 mi (1,249.73 km) |
| Idanha-a-Nova to Biarritz | 382.30 mi (615.25 km) |
| Idanha-a-Nova to Biganos | 456.82 mi (735.18 km) |
| Idanha-a-Nova to Billere | 423.39 mi (681.38 km) |
| Idanha-a-Nova to Biot | 780.41 mi (1,255.95 km) |
| Idanha-a-Nova to Biscarrosse | 438.29 mi (705.36 km) |
| Idanha-a-Nova to Bischheim | 951.45 mi (1,531.21 km) |
| Idanha-a-Nova to Bischwiller | 961.28 mi (1,547.03 km) |
| Idanha-a-Nova to Blagnac | 512.94 mi (825.49 km) |
| Idanha-a-Nova to Blain | 589.09 mi (948.05 km) |
| Idanha-a-Nova to Blanquefort | 481.62 mi (775.08 km) |
| Idanha-a-Nova to Blois | 680.25 mi (1,094.75 km) |
| Idanha-a-Nova to Bobigny | 782.30 mi (1,258.98 km) |
