| Mackworth to Blue Springs (Missouri) | 4,236.86 mi (6,818.56 km) |
| Mackworth to Bluffdale (Utah) | 4,768.75 mi (7,674.56 km) |
| Mackworth to Bluffton (Indiana) | 3,810.79 mi (6,132.87 km) |
| Mackworth to Bluffton (South Carolina) | 4,057.26 mi (6,529.53 km) |
| Mackworth to Blythe (California) | 5,238.56 mi (8,430.65 km) |
| Mackworth to Blytheville (Arkansas) | 4,226.87 mi (6,802.49 km) |
| Mackworth to Boca Raton (Florida) | 4,319.56 mi (6,951.66 km) |
| Mackworth to Boerne (Texas) | 4,883.54 mi (7,859.29 km) |
| Mackworth to Bogalusa (Louisiana) | 4,487.43 mi (7,221.82 km) |
| Mackworth to Boiling Springs (South Carolina) | 3,959.63 mi (6,372.41 km) |
| Mackworth to Boise (Idaho) | 4,727.09 mi (7,607.52 km) |
| Mackworth to Bolingbrook (Illinois) | 3,876.63 mi (6,238.83 km) |
| Mackworth to Bolivar (Missouri) | 4,275.96 mi (6,881.49 km) |
| Mackworth to Bon Air (Virginia) | 3,664.41 mi (5,897.30 km) |
| Mackworth to Bonham (Texas) | 4,586.44 mi (7,381.16 km) |
