| Catonsville to Bispham | 3,472.99 mi (5,589.23 km) |
| Catonsville to Blackburn | 3,496.88 mi (5,627.69 km) |
| Catonsville to Blackpool | 3,473.29 mi (5,589.72 km) |
| Catonsville to Blairgowrie | 3,416.72 mi (5,498.68 km) |
| Catonsville to Blandford Forum | 3,566.81 mi (5,740.23 km) |
| Catonsville to Blaydon | 3,504.59 mi (5,640.09 km) |
| Catonsville to Bletchley | 3,601.49 mi (5,796.04 km) |
| Catonsville to Bloxwich | 3,537.48 mi (5,693.02 km) |
| Catonsville to Blunsdon Saint Andrew | 3,566.48 mi (5,739.69 km) |
| Catonsville to Blyth | 3,509.53 mi (5,648.04 km) |
| Catonsville to Bo'ness | 3,415.34 mi (5,496.46 km) |
| Catonsville to Bodmin | 3,467.93 mi (5,581.10 km) |
| Catonsville to Bognor Regis | 3,630.10 mi (5,842.08 km) |
| Catonsville to Bolsover | 3,553.93 mi (5,719.50 km) |
| Catonsville to Bolton | 3,502.10 mi (5,636.09 km) |
