| Catonsville to Barking | 3,644.30 mi (5,864.94 km) |
| Catonsville to Barnet | 3,630.62 mi (5,842.92 km) |
| Catonsville to Barnoldswick | 3,505.32 mi (5,641.27 km) |
| Catonsville to Barnsley | 3,540.04 mi (5,697.14 km) |
| Catonsville to Barnstaple | 3,483.46 mi (5,606.09 km) |
| Catonsville to Barrhead | 3,389.09 mi (5,454.22 km) |
| Catonsville to Barri | 3,509.80 mi (5,648.48 km) |
| Catonsville to Barrow in Furness | 3,461.16 mi (5,570.20 km) |
| Catonsville to Barton upon Humber | 3,577.95 mi (5,758.16 km) |
| Catonsville to Barton upon Irwell | 3,506.73 mi (5,643.54 km) |
| Catonsville to Barwell | 3,564.82 mi (5,737.03 km) |
| Catonsville to Basford | 3,563.65 mi (5,735.15 km) |
| Catonsville to Basildon | 3,660.08 mi (5,890.33 km) |
| Catonsville to Basingstoke | 3,602.54 mi (5,797.73 km) |
| Catonsville to Bath | 3,547.83 mi (5,709.68 km) |
