| Idanha-a-Nova to Broxbourne | 887.17 mi (1,427.76 km) |
| Idanha-a-Nova to Broxburn | 1,119.90 mi (1,802.30 km) |
| Idanha-a-Nova to Bryn | 962.66 mi (1,549.25 km) |
| Idanha-a-Nova to Buckhurst Hill | 880.94 mi (1,417.74 km) |
| Idanha-a-Nova to Buckie | 1,241.73 mi (1,998.37 km) |
| Idanha-a-Nova to Buckingham | 886.02 mi (1,425.92 km) |
| Idanha-a-Nova to Buckley | 936.41 mi (1,507.01 km) |
| Idanha-a-Nova to Bucksburn | 1,213.99 mi (1,953.72 km) |
| Idanha-a-Nova to Bude | 764.72 mi (1,230.70 km) |
| Idanha-a-Nova to Bulwell | 947.75 mi (1,525.26 km) |
| Idanha-a-Nova to Burbage | 914.86 mi (1,472.32 km) |
| Idanha-a-Nova to Burgess Hill | 835.86 mi (1,345.19 km) |
| Idanha-a-Nova to Burnham | 862.54 mi (1,388.13 km) |
| Idanha-a-Nova to Burnham-on-Sea | 808.27 mi (1,300.79 km) |
| Idanha-a-Nova to Burnley | 986.39 mi (1,587.44 km) |
