| Guadarrama to Bradford-on-Avon | 742.71 mi (1,195.27 km) |
| Guadarrama to Bradwell | 801.48 mi (1,289.85 km) |
| Guadarrama to Braintree | 804.85 mi (1,295.28 km) |
| Guadarrama to Bramhall | 880.99 mi (1,417.81 km) |
| Guadarrama to Brandon | 843.33 mi (1,357.21 km) |
| Guadarrama to Braunstone | 836.51 mi (1,346.23 km) |
| Guadarrama to Bredbury | 885.55 mi (1,425.16 km) |
| Guadarrama to Brentwood | 784.71 mi (1,262.86 km) |
| Guadarrama to Bridgnorth | 823.36 mi (1,325.07 km) |
| Guadarrama to Bridgwater | 724.28 mi (1,165.62 km) |
| Guadarrama to Bridlington | 943.88 mi (1,519.02 km) |
| Guadarrama to Bridport | 698.06 mi (1,123.42 km) |
| Guadarrama to Brierley Hill | 821.00 mi (1,321.27 km) |
| Guadarrama to Brighouse | 906.87 mi (1,459.47 km) |
| Guadarrama to Brighton | 726.30 mi (1,168.87 km) |
