| Thornbury to Brownsburg (Indiana) | 3,898.29 mi (6,273.69 km) |
| Thornbury to Brownsville (Florida) | 4,324.68 mi (6,959.91 km) |
| Thornbury to Brownsville (Texas) | 5,030.59 mi (8,095.96 km) |
| Thornbury to Brownwood (Texas) | 4,791.67 mi (7,711.45 km) |
| Thornbury to Brunswick (Georgia) | 4,112.35 mi (6,618.18 km) |
| Thornbury to Brunswick (Ohio) | 3,653.63 mi (5,879.95 km) |
| Thornbury to Brushy Creek (Texas) | 4,805.65 mi (7,733.95 km) |
| Thornbury to Bryan (Texas) | 4,744.26 mi (7,635.15 km) |
| Thornbury to Bryant (Arkansas) | 4,390.32 mi (7,065.54 km) |
| Thornbury to Bryn Mawr-Skyway (Washington) | 4,718.71 mi (7,594.02 km) |
| Thornbury to Buckeye (Arizona) | 5,203.53 mi (8,374.27 km) |
| Thornbury to Buckhall (Virginia) | 3,589.41 mi (5,776.60 km) |
| Thornbury to Bucyrus (Ohio) | 3,719.13 mi (5,985.36 km) |
| Thornbury to Buda (Texas) | 4,832.69 mi (7,777.46 km) |
| Thornbury to Buena Park (California) | 5,361.31 mi (8,628.19 km) |
