| Idanha-a-Nova to Belvedere Marittimo | 1,223.56 mi (1,969.13 km) |
| Idanha-a-Nova to Benevento | 1,156.26 mi (1,860.82 km) |
| Idanha-a-Nova to Bergamo | 942.81 mi (1,517.30 km) |
| Idanha-a-Nova to Bernalda | 1,259.39 mi (2,026.79 km) |
| Idanha-a-Nova to Bertinoro | 1,033.23 mi (1,662.83 km) |
| Idanha-a-Nova to Besana in Brianza | 925.32 mi (1,489.16 km) |
| Idanha-a-Nova to Besozzo | 901.13 mi (1,450.23 km) |
| Idanha-a-Nova to Biancavilla | 1,197.44 mi (1,927.09 km) |
| Idanha-a-Nova to Biassono | 923.02 mi (1,485.45 km) |
| Idanha-a-Nova to Bibbiano | 959.96 mi (1,544.90 km) |
| Idanha-a-Nova to Bibbiena | 1,012.78 mi (1,629.91 km) |
| Idanha-a-Nova to Biella | 867.04 mi (1,395.37 km) |
| Idanha-a-Nova to Bisceglie | 1,245.20 mi (2,003.95 km) |
| Idanha-a-Nova to Bisignano | 1,246.53 mi (2,006.10 km) |
| Idanha-a-Nova to Bitetto | 1,258.92 mi (2,026.03 km) |
