| Idanha-a-Nova to Bradford-on-Avon | 825.13 mi (1,327.92 km) |
| Idanha-a-Nova to Bradwell | 892.76 mi (1,436.76 km) |
| Idanha-a-Nova to Braintree | 906.00 mi (1,458.06 km) |
| Idanha-a-Nova to Bramhall | 958.65 mi (1,542.80 km) |
| Idanha-a-Nova to Brandon | 942.53 mi (1,516.85 km) |
| Idanha-a-Nova to Braunstone | 923.10 mi (1,485.59 km) |
| Idanha-a-Nova to Bredbury | 963.42 mi (1,550.48 km) |
| Idanha-a-Nova to Brentwood | 885.36 mi (1,424.84 km) |
| Idanha-a-Nova to Bridgnorth | 901.18 mi (1,450.30 km) |
| Idanha-a-Nova to Bridgwater | 801.01 mi (1,289.10 km) |
| Idanha-a-Nova to Bridlington | 1,032.18 mi (1,661.13 km) |
| Idanha-a-Nova to Bridport | 777.97 mi (1,252.03 km) |
| Idanha-a-Nova to Brierley Hill | 901.16 mi (1,450.27 km) |
| Idanha-a-Nova to Brighouse | 986.19 mi (1,587.13 km) |
| Idanha-a-Nova to Brighton | 827.47 mi (1,331.69 km) |
