| Thornbury to Blue Springs (Missouri) | 4,242.39 mi (6,827.47 km) |
| Thornbury to Bluffdale (Utah) | 4,795.46 mi (7,717.55 km) |
| Thornbury to Bluffton (Indiana) | 3,808.90 mi (6,129.84 km) |
| Thornbury to Bluffton (South Carolina) | 4,037.71 mi (6,498.07 km) |
| Thornbury to Blythe (California) | 5,261.03 mi (8,466.82 km) |
| Thornbury to Blytheville (Arkansas) | 4,223.17 mi (6,796.53 km) |
| Thornbury to Boca Raton (Florida) | 4,291.13 mi (6,905.91 km) |
| Thornbury to Boerne (Texas) | 4,882.46 mi (7,857.57 km) |
| Thornbury to Bogalusa (Louisiana) | 4,476.75 mi (7,204.64 km) |
| Thornbury to Boiling Springs (South Carolina) | 3,945.42 mi (6,349.53 km) |
| Thornbury to Boise (Idaho) | 4,761.71 mi (7,663.23 km) |
| Thornbury to Bolingbrook (Illinois) | 3,879.37 mi (6,243.25 km) |
| Thornbury to Bolivar (Missouri) | 4,278.60 mi (6,885.73 km) |
| Thornbury to Bon Air (Virginia) | 3,648.88 mi (5,872.31 km) |
| Thornbury to Bonham (Texas) | 4,586.98 mi (7,382.03 km) |
