| Duffel to Brownsburg (Indiana) | 4,186.89 mi (6,738.14 km) |
| Duffel to Brownsville (Florida) | 4,629.73 mi (7,450.83 km) |
| Duffel to Brownsville (Texas) | 5,323.96 mi (8,568.08 km) |
| Duffel to Brownwood (Texas) | 5,076.59 mi (8,169.98 km) |
| Duffel to Brunswick (Georgia) | 4,414.43 mi (7,104.34 km) |
| Duffel to Brunswick (Ohio) | 3,944.80 mi (6,348.55 km) |
| Duffel to Brushy Creek (Texas) | 5,093.68 mi (8,197.49 km) |
| Duffel to Bryan (Texas) | 5,033.75 mi (8,101.04 km) |
| Duffel to Bryant (Arkansas) | 4,679.42 mi (7,530.79 km) |
| Duffel to Bryn Mawr-Skyway (Washington) | 4,929.64 mi (7,933.48 km) |
| Duffel to Buckeye (Arizona) | 5,463.47 mi (8,792.61 km) |
| Duffel to Buckhall (Virginia) | 3,887.64 mi (6,256.56 km) |
| Duffel to Bucyrus (Ohio) | 4,009.82 mi (6,453.18 km) |
| Duffel to Buda (Texas) | 5,121.12 mi (8,241.64 km) |
| Duffel to Buena Park (California) | 5,609.42 mi (9,027.49 km) |
