| Potomac to Bathgate | 3,445.15 mi (5,544.43 km) |
| Potomac to Batley | 3,560.30 mi (5,729.75 km) |
| Potomac to Beaconsfield | 3,643.51 mi (5,863.67 km) |
| Potomac to Bearsden | 3,418.82 mi (5,502.05 km) |
| Potomac to Bebington | 3,513.11 mi (5,653.81 km) |
| Potomac to Beccles | 3,713.07 mi (5,975.61 km) |
| Potomac to Beckenham | 3,672.73 mi (5,910.70 km) |
| Potomac to Bedford | 3,638.71 mi (5,855.94 km) |
| Potomac to Bedlington | 3,536.16 mi (5,690.91 km) |
| Potomac to Bedwas | 3,538.41 mi (5,694.51 km) |
| Potomac to Bedworth | 3,591.07 mi (5,779.26 km) |
| Potomac to Beeston | 3,592.42 mi (5,781.45 km) |
| Potomac to Belfast | 3,376.98 mi (5,434.73 km) |
| Potomac to Belgrave | 3,601.45 mi (5,795.97 km) |
| Potomac to Bellshill | 3,431.99 mi (5,523.25 km) |
