| Idanha-a-Nova to Beyne-Heusay | 966.22 mi (1,554.98 km) |
| Idanha-a-Nova to Bierbeek | 950.43 mi (1,529.56 km) |
| Idanha-a-Nova to Bilzen | 974.45 mi (1,568.23 km) |
| Idanha-a-Nova to Binche | 910.58 mi (1,465.43 km) |
| Idanha-a-Nova to Bissegem | 906.08 mi (1,458.19 km) |
| Idanha-a-Nova to Blankenberge | 930.11 mi (1,496.87 km) |
| Idanha-a-Nova to Blegny | 971.25 mi (1,563.07 km) |
| Idanha-a-Nova to Bocholt | 991.60 mi (1,595.83 km) |
| Idanha-a-Nova to Boechout | 958.73 mi (1,542.92 km) |
| Idanha-a-Nova to Bonheiden | 954.03 mi (1,535.37 km) |
| Idanha-a-Nova to Boom | 951.94 mi (1,532.00 km) |
| Idanha-a-Nova to Boortmeerbeek | 952.38 mi (1,532.71 km) |
| Idanha-a-Nova to Borgerhout | 960.78 mi (1,546.23 km) |
| Idanha-a-Nova to Borgloon | 965.99 mi (1,554.62 km) |
| Idanha-a-Nova to Bornem | 949.09 mi (1,527.41 km) |
