| Idanha-a-Nova to Borgosatollo | 964.28 mi (1,551.87 km) |
| Idanha-a-Nova to Borgosesia | 879.82 mi (1,415.94 km) |
| Idanha-a-Nova to Boscoreale | 1,142.24 mi (1,838.26 km) |
| Idanha-a-Nova to Boscotrecase | 1,141.29 mi (1,836.73 km) |
| Idanha-a-Nova to Botticino Sera | 965.16 mi (1,553.27 km) |
| Idanha-a-Nova to Bovalino Marina | 1,258.18 mi (2,024.84 km) |
| Idanha-a-Nova to Boves | 815.24 mi (1,312.01 km) |
| Idanha-a-Nova to Boville Ernica | 1,086.90 mi (1,749.20 km) |
| Idanha-a-Nova to Bovisio Masciago | 917.32 mi (1,476.28 km) |
| Idanha-a-Nova to Bovolone | 1,001.58 mi (1,611.88 km) |
| Idanha-a-Nova to Bra | 836.93 mi (1,346.91 km) |
| Idanha-a-Nova to Bracciano | 1,021.26 mi (1,643.56 km) |
| Idanha-a-Nova to Brandizzo | 847.12 mi (1,363.31 km) |
| Idanha-a-Nova to Breganze | 1,030.17 mi (1,657.90 km) |
| Idanha-a-Nova to Brembate | 935.19 mi (1,505.05 km) |
