| Gretna to Belper | 4,540.21 mi (7,306.77 km) |
| Gretna to Bentley | 4,542.02 mi (7,309.67 km) |
| Gretna to Berkhampstead | 4,604.81 mi (7,410.73 km) |
| Gretna to Berwick-Upon-Tweed | 4,463.73 mi (7,183.68 km) |
| Gretna to Beverley | 4,563.50 mi (7,344.24 km) |
| Gretna to Bewdley | 4,520.63 mi (7,275.24 km) |
| Gretna to Bexleyheath | 4,639.99 mi (7,467.35 km) |
| Gretna to Bicester | 4,577.84 mi (7,367.33 km) |
| Gretna to Bickenhill | 4,542.94 mi (7,311.15 km) |
| Gretna to Bickley | 4,637.67 mi (7,463.60 km) |
| Gretna to Biddulph | 4,510.82 mi (7,259.47 km) |
| Gretna to Bideford | 4,471.30 mi (7,195.86 km) |
| Gretna to Bidston | 4,469.22 mi (7,192.51 km) |
| Gretna to Biggleswade | 4,609.62 mi (7,418.47 km) |
| Gretna to Billericay | 4,647.35 mi (7,479.18 km) |
