| Illescas to Blackburn | 943.94 mi (1,519.13 km) |
| Illescas to Blackpool | 947.11 mi (1,524.23 km) |
| Illescas to Blairgowrie | 1,138.52 mi (1,832.28 km) |
| Illescas to Blandford Forum | 746.35 mi (1,201.13 km) |
| Illescas to Blaydon | 1,030.39 mi (1,658.25 km) |
| Illescas to Bletchley | 833.80 mi (1,341.88 km) |
| Illescas to Bloxwich | 867.80 mi (1,396.59 km) |
| Illescas to Blunsdon Saint Andrew | 800.09 mi (1,287.62 km) |
| Illescas to Blyth | 1,042.50 mi (1,677.75 km) |
| Illescas to Bo'ness | 1,098.64 mi (1,768.09 km) |
| Illescas to Bodmin | 716.34 mi (1,152.85 km) |
| Illescas to Bognor Regis | 752.46 mi (1,210.97 km) |
| Illescas to Bolsover | 913.92 mi (1,470.81 km) |
| Illescas to Bolton | 932.40 mi (1,500.56 km) |
| Illescas to Bonhill | 1,096.76 mi (1,765.07 km) |