| Didcot to Brownsburg (Indiana) | 3,948.72 mi (6,354.85 km) |
| Didcot to Brownsville (Florida) | 4,379.24 mi (7,047.70 km) |
| Didcot to Brownsville (Texas) | 5,082.16 mi (8,178.95 km) |
| Didcot to Brownwood (Texas) | 4,841.36 mi (7,791.41 km) |
| Didcot to Brunswick (Georgia) | 4,166.00 mi (6,704.53 km) |
| Didcot to Brunswick (Ohio) | 3,704.62 mi (5,962.02 km) |
| Didcot to Brushy Creek (Texas) | 4,856.02 mi (7,815.01 km) |
| Didcot to Bryan (Texas) | 4,794.94 mi (7,716.71 km) |
| Didcot to Bryant (Arkansas) | 4,440.90 mi (7,146.93 km) |
| Didcot to Bryn Mawr-Skyway (Washington) | 4,753.40 mi (7,649.86 km) |
| Didcot to Buckeye (Arizona) | 5,248.05 mi (8,445.92 km) |
| Didcot to Buckhall (Virginia) | 3,642.06 mi (5,861.33 km) |
| Didcot to Bucyrus (Ohio) | 3,770.01 mi (6,067.25 km) |
| Didcot to Buda (Texas) | 4,883.14 mi (7,858.66 km) |
| Didcot to Buena Park (California) | 5,403.47 mi (8,696.05 km) |
