| Maryland Heights to Blue Island (Illinois) | 250.92 mi (403.82 km) |
| Maryland Heights to Blue Springs (Missouri) | 205.27 mi (330.35 km) |
| Maryland Heights to Bluffdale (Utah) | 1,146.26 mi (1,844.73 km) |
| Maryland Heights to Bluffton (Indiana) | 314.43 mi (506.03 km) |
| Maryland Heights to Bluffton (South Carolina) | 699.59 mi (1,125.89 km) |
| Maryland Heights to Blythe (California) | 1,387.47 mi (2,232.92 km) |
| Maryland Heights to Blytheville (Arkansas) | 195.08 mi (313.95 km) |
| Maryland Heights to Boca Raton (Florida) | 1,043.32 mi (1,679.06 km) |
| Maryland Heights to Boerne (Texas) | 775.94 mi (1,248.75 km) |
| Maryland Heights to Bogalusa (Louisiana) | 549.54 mi (884.39 km) |
| Maryland Heights to Boiling Springs (South Carolina) | 533.48 mi (858.56 km) |
| Maryland Heights to Boise (Idaho) | 1,375.51 mi (2,213.67 km) |
| Maryland Heights to Bolingbrook (Illinois) | 240.44 mi (386.95 km) |
| Maryland Heights to Bolivar (Missouri) | 177.38 mi (285.47 km) |
| Maryland Heights to Bon Air (Virginia) | 705.70 mi (1,135.71 km) |
