| Thornton Heath to Blue Springs (Missouri) | 4,340.54 mi (6,985.43 km) |
| Thornton Heath to Bluffdale (Utah) | 4,883.61 mi (7,859.41 km) |
| Thornton Heath to Bluffton (Indiana) | 3,909.47 mi (6,291.69 km) |
| Thornton Heath to Bluffton (South Carolina) | 4,141.97 mi (6,665.86 km) |
| Thornton Heath to Blythe (California) | 5,351.61 mi (8,612.58 km) |
| Thornton Heath to Blytheville (Arkansas) | 4,324.29 mi (6,959.28 km) |
| Thornton Heath to Boca Raton (Florida) | 4,396.02 mi (7,074.72 km) |
| Thornton Heath to Boerne (Texas) | 4,982.88 mi (8,019.17 km) |
| Thornton Heath to Bogalusa (Louisiana) | 4,579.59 mi (7,370.14 km) |
| Thornton Heath to Boiling Springs (South Carolina) | 4,048.89 mi (6,516.06 km) |
| Thornton Heath to Boise (Idaho) | 4,844.87 mi (7,797.06 km) |
| Thornton Heath to Bolingbrook (Illinois) | 3,978.48 mi (6,402.74 km) |
| Thornton Heath to Bolivar (Missouri) | 4,377.77 mi (7,045.35 km) |
| Thornton Heath to Bon Air (Virginia) | 3,752.56 mi (6,039.16 km) |
| Thornton Heath to Bonham (Texas) | 4,686.87 mi (7,542.79 km) |
