| Duffel to Blue Springs (Missouri) | 4,522.79 mi (7,278.72 km) |
| Duffel to Bluffdale (Utah) | 5,043.87 mi (8,117.32 km) |
| Duffel to Bluffton (Indiana) | 4,097.41 mi (6,594.15 km) |
| Duffel to Bluffton (South Carolina) | 4,339.38 mi (6,983.56 km) |
| Duffel to Blythe (California) | 5,516.71 mi (8,878.29 km) |
| Duffel to Blytheville (Arkansas) | 4,513.43 mi (7,263.66 km) |
| Duffel to Boca Raton (Florida) | 4,596.06 mi (7,396.64 km) |
| Duffel to Boerne (Texas) | 5,170.15 mi (8,320.56 km) |
| Duffel to Bogalusa (Louisiana) | 4,772.93 mi (7,681.29 km) |
| Duffel to Boiling Springs (South Carolina) | 4,244.02 mi (6,830.09 km) |
| Duffel to Boise (Idaho) | 4,994.74 mi (8,038.25 km) |
| Duffel to Bolingbrook (Illinois) | 4,163.02 mi (6,699.73 km) |
| Duffel to Bolivar (Missouri) | 4,562.34 mi (7,342.37 km) |
| Duffel to Bon Air (Virginia) | 3,948.28 mi (6,354.15 km) |
| Duffel to Bonham (Texas) | 4,872.99 mi (7,842.32 km) |
