| Idanha-a-Nova to Barberino di Mugello | 987.75 mi (1,589.62 km) |
| Idanha-a-Nova to Barcellona-Pozzo di Gotto | 1,207.86 mi (1,943.86 km) |
| Idanha-a-Nova to Bareggio | 906.26 mi (1,458.49 km) |
| Idanha-a-Nova to Barga | 951.75 mi (1,531.69 km) |
| Idanha-a-Nova to Bari | 1,264.50 mi (2,035.02 km) |
| Idanha-a-Nova to Barletta | 1,233.38 mi (1,984.94 km) |
| Idanha-a-Nova to Baronissi | 1,157.34 mi (1,862.55 km) |
| Idanha-a-Nova to Barrafranca | 1,167.12 mi (1,878.30 km) |
| Idanha-a-Nova to Bassano del Grappa | 1,039.21 mi (1,672.45 km) |
| Idanha-a-Nova to Battipaglia | 1,169.17 mi (1,881.60 km) |
| Idanha-a-Nova to Beinasco | 831.67 mi (1,338.45 km) |
| Idanha-a-Nova to Bellinzago Novarese | 893.06 mi (1,437.24 km) |
| Idanha-a-Nova to Belluno | 1,068.75 mi (1,719.98 km) |
| Idanha-a-Nova to Belmonte Mezzagno | 1,112.26 mi (1,790.01 km) |
| Idanha-a-Nova to Belpasso | 1,204.77 mi (1,938.88 km) |
