| Gretna to Brownhills | 4,530.18 mi (7,290.62 km) |
| Gretna to Broxbourne | 4,626.77 mi (7,446.07 km) |
| Gretna to Broxburn | 4,405.84 mi (7,090.51 km) |
| Gretna to Bryn | 4,483.85 mi (7,216.06 km) |
| Gretna to Buckhurst Hill | 4,631.83 mi (7,454.20 km) |
| Gretna to Buckie | 4,393.04 mi (7,069.91 km) |
| Gretna to Buckingham | 4,582.34 mi (7,374.56 km) |
| Gretna to Buckley | 4,473.50 mi (7,199.40 km) |
| Gretna to Bucksburn | 4,430.47 mi (7,130.14 km) |
| Gretna to Bude | 4,461.29 mi (7,179.76 km) |
| Gretna to Bulwell | 4,551.79 mi (7,325.41 km) |
| Gretna to Burbage | 4,556.07 mi (7,332.29 km) |
| Gretna to Burgess Hill | 4,641.10 mi (7,469.13 km) |
| Gretna to Burnham | 4,605.78 mi (7,412.28 km) |
| Gretna to Burnham-on-Sea | 4,517.01 mi (7,269.43 km) |
