| Thornton Heath to Bonita (California) | 5,485.74 mi (8,828.45 km) |
| Thornton Heath to Bonita Springs (Florida) | 4,468.09 mi (7,190.70 km) |
| Thornton Heath to Bonney Lake (Washington) | 4,810.75 mi (7,742.15 km) |
| Thornton Heath to Boone (Iowa) | 4,177.37 mi (6,722.83 km) |
| Thornton Heath to Boone (North Carolina) | 3,980.88 mi (6,406.61 km) |
| Thornton Heath to Borger (Texas) | 4,776.01 mi (7,686.25 km) |
| Thornton Heath to Bossier City (Louisiana) | 4,643.04 mi (7,472.25 km) |
| Thornton Heath to Boston (Massachusetts) | 3,276.90 mi (5,273.66 km) |
| Thornton Heath to Bostonia (California) | 5,474.30 mi (8,810.03 km) |
| Thornton Heath to Bothell (Washington) | 4,777.76 mi (7,689.07 km) |
| Thornton Heath to Bothell East (Washington) | 4,775.36 mi (7,685.21 km) |
| Thornton Heath to Bothell West (Washington) | 4,776.87 mi (7,687.63 km) |
| Thornton Heath to Boulder (Colorado) | 4,684.68 mi (7,539.26 km) |
| Thornton Heath to Boulder City (Nevada) | 5,237.16 mi (8,428.39 km) |
| Thornton Heath to Bound Brook (New Jersey) | 3,492.33 mi (5,620.37 km) |
