| Gretna to Bathgate | 4,399.98 mi (7,081.08 km) |
| Gretna to Batley | 4,519.34 mi (7,273.17 km) |
| Gretna to Beaconsfield | 4,605.42 mi (7,411.70 km) |
| Gretna to Bearsden | 4,373.86 mi (7,039.04 km) |
| Gretna to Bebington | 4,473.22 mi (7,198.95 km) |
| Gretna to Beccles | 4,673.17 mi (7,520.75 km) |
| Gretna to Beckenham | 4,634.70 mi (7,458.84 km) |
| Gretna to Bedford | 4,599.91 mi (7,402.84 km) |
| Gretna to Bedlington | 4,492.15 mi (7,229.42 km) |
| Gretna to Bedwas | 4,500.86 mi (7,243.43 km) |
| Gretna to Bedworth | 4,552.08 mi (7,325.86 km) |
| Gretna to Beeston | 4,552.69 mi (7,326.84 km) |
| Gretna to Belfast | 4,335.62 mi (6,977.51 km) |
| Gretna to Belgrave | 4,562.10 mi (7,341.99 km) |
| Gretna to Bellshill | 4,387.19 mi (7,060.50 km) |
