| Didcot to Blue Springs (Missouri) | 4,291.05 mi (6,905.78 km) |
| Didcot to Bluffdale (Utah) | 4,837.58 mi (7,785.34 km) |
| Didcot to Bluffton (Indiana) | 3,859.30 mi (6,210.95 km) |
| Didcot to Bluffton (South Carolina) | 4,091.25 mi (6,584.23 km) |
| Didcot to Blythe (California) | 5,304.70 mi (8,537.09 km) |
| Didcot to Blytheville (Arkansas) | 4,273.99 mi (6,878.33 km) |
| Didcot to Boca Raton (Florida) | 4,345.64 mi (6,993.63 km) |
| Didcot to Boerne (Texas) | 4,932.76 mi (7,938.51 km) |
| Didcot to Bogalusa (Louisiana) | 4,528.95 mi (7,288.64 km) |
| Didcot to Boiling Springs (South Carolina) | 3,998.17 mi (6,434.44 km) |
| Didcot to Boise (Idaho) | 4,800.76 mi (7,726.07 km) |
| Didcot to Bolingbrook (Illinois) | 3,928.70 mi (6,322.64 km) |
| Didcot to Bolivar (Missouri) | 4,327.98 mi (6,965.22 km) |
| Didcot to Bon Air (Virginia) | 3,701.83 mi (5,957.52 km) |
| Didcot to Bonham (Texas) | 4,636.89 mi (7,462.35 km) |
