| Ampthill to Brownsburg (Indiana) | 3,965.84 mi (6,382.41 km) |
| Ampthill to Brownsville (Florida) | 4,406.40 mi (7,091.41 km) |
| Ampthill to Brownsville (Texas) | 5,101.32 mi (8,209.79 km) |
| Ampthill to Brownwood (Texas) | 4,857.11 mi (7,816.76 km) |
| Ampthill to Brunswick (Georgia) | 4,190.10 mi (6,743.31 km) |
| Ampthill to Brunswick (Ohio) | 3,722.80 mi (5,991.28 km) |
| Ampthill to Brushy Creek (Texas) | 4,872.94 mi (7,842.25 km) |
| Ampthill to Bryan (Texas) | 4,812.45 mi (7,744.89 km) |
| Ampthill to Bryant (Arkansas) | 4,458.23 mi (7,174.83 km) |
| Ampthill to Bryn Mawr-Skyway (Washington) | 4,750.42 mi (7,645.06 km) |
| Ampthill to Buckeye (Arizona) | 5,256.17 mi (8,458.99 km) |
| Ampthill to Buckhall (Virginia) | 3,663.67 mi (5,896.11 km) |
| Ampthill to Bucyrus (Ohio) | 3,787.99 mi (6,096.19 km) |
| Ampthill to Buda (Texas) | 4,900.23 mi (7,886.15 km) |
| Ampthill to Buena Park (California) | 5,408.62 mi (8,704.33 km) |
