| Opfikon to Blackburn | 650.78 mi (1,047.33 km) |
| Opfikon to Blackpool | 672.07 mi (1,081.59 km) |
| Opfikon to Blairgowrie | 808.09 mi (1,300.49 km) |
| Opfikon to Blandford Forum | 538.93 mi (867.33 km) |
| Opfikon to Blaydon | 683.41 mi (1,099.84 km) |
| Opfikon to Bletchley | 520.76 mi (838.08 km) |
| Opfikon to Bloxwich | 589.20 mi (948.23 km) |
| Opfikon to Blunsdon Saint Andrew | 546.11 mi (878.88 km) |
| Opfikon to Blyth | 685.86 mi (1,103.79 km) |
| Opfikon to Bo'ness | 787.20 mi (1,266.88 km) |
| Opfikon to Bodmin | 637.12 mi (1,025.34 km) |
| Opfikon to Bognor Regis | 477.35 mi (768.23 km) |
| Opfikon to Bolsover | 590.07 mi (949.63 km) |
| Opfikon to Bolton | 641.94 mi (1,033.10 km) |
| Opfikon to Bonhill | 812.95 mi (1,308.32 km) |
