| South Portland to Bathgate | 2,965.90 mi (4,773.15 km) |
| South Portland to Batley | 3,080.97 mi (4,958.35 km) |
| South Portland to Beaconsfield | 3,164.99 mi (5,093.56 km) |
| South Portland to Bearsden | 2,939.55 mi (4,730.75 km) |
| South Portland to Bebington | 3,033.95 mi (4,882.66 km) |
| South Portland to Beccles | 3,233.91 mi (5,204.48 km) |
| South Portland to Beckenham | 3,194.25 mi (5,140.66 km) |
| South Portland to Bedford | 3,159.86 mi (5,085.31 km) |
| South Portland to Bedlington | 3,056.81 mi (4,919.46 km) |
| South Portland to Bedwas | 3,060.25 mi (4,925.00 km) |
| South Portland to Bedworth | 3,112.15 mi (5,008.52 km) |
| South Portland to Beeston | 3,113.30 mi (5,010.37 km) |
| South Portland to Belfast | 2,897.62 mi (4,663.26 km) |
| South Portland to Belgrave | 3,122.42 mi (5,025.05 km) |
| South Portland to Bellshill | 2,952.71 mi (4,751.92 km) |
