| Genappe to Blackburn | 365.22 mi (587.77 km) |
| Genappe to Blackpool | 387.20 mi (623.13 km) |
| Genappe to Blairgowrie | 522.23 mi (840.44 km) |
| Genappe to Blandford Forum | 289.76 mi (466.32 km) |
| Genappe to Blaydon | 396.36 mi (637.88 km) |
| Genappe to Bletchley | 243.65 mi (392.11 km) |
| Genappe to Bloxwich | 309.78 mi (498.55 km) |
| Genappe to Blunsdon Saint Andrew | 279.46 mi (449.75 km) |
| Genappe to Blyth | 399.31 mi (642.62 km) |
| Genappe to Bo'ness | 500.12 mi (804.86 km) |
| Genappe to Bodmin | 402.49 mi (647.75 km) |
| Genappe to Bognor Regis | 224.69 mi (361.61 km) |
| Genappe to Bolsover | 304.52 mi (490.07 km) |
| Genappe to Bolton | 356.99 mi (574.53 km) |
| Genappe to Bonhill | 525.53 mi (845.75 km) |
