| Idanha-a-Nova to Bitonto | 1,255.02 mi (2,019.77 km) |
| Idanha-a-Nova to Bitritto | 1,263.16 mi (2,032.85 km) |
| Idanha-a-Nova to Bollate | 914.26 mi (1,471.36 km) |
| Idanha-a-Nova to Bologna | 999.33 mi (1,608.26 km) |
| Idanha-a-Nova to Bolzano | 1,037.28 mi (1,669.34 km) |
| Idanha-a-Nova to Bomporto | 988.09 mi (1,590.17 km) |
| Idanha-a-Nova to Bonate di Sopra | 937.83 mi (1,509.30 km) |
| Idanha-a-Nova to Bondeno | 1,008.76 mi (1,623.45 km) |
| Idanha-a-Nova to Bordighera | 810.68 mi (1,304.67 km) |
| Idanha-a-Nova to Borgaro Torinese | 837.89 mi (1,348.46 km) |
| Idanha-a-Nova to Borgo a Buggiano | 961.53 mi (1,547.43 km) |
| Idanha-a-Nova to Borgo San Dalmazzo | 812.09 mi (1,306.93 km) |
| Idanha-a-Nova to Borgo San Lorenzo | 994.18 mi (1,599.98 km) |
| Idanha-a-Nova to Borgomanero | 888.39 mi (1,429.73 km) |
| Idanha-a-Nova to Borgoricco | 1,045.41 mi (1,682.43 km) |
