| Grayslake to Blue Island (Illinois) | 50.53 mi (81.32 km) |
| Grayslake to Blue Springs (Missouri) | 399.49 mi (642.92 km) |
| Grayslake to Bluffdale (Utah) | 1,241.33 mi (1,997.72 km) |
| Grayslake to Bluffton (Indiana) | 184.59 mi (297.07 km) |
| Grayslake to Bluffton (South Carolina) | 800.56 mi (1,288.38 km) |
| Grayslake to Blythe (California) | 1,559.91 mi (2,510.43 km) |
| Grayslake to Blytheville (Arkansas) | 453.96 mi (730.57 km) |
| Grayslake to Boca Raton (Florida) | 1,190.75 mi (1,916.33 km) |
| Grayslake to Boerne (Texas) | 1,051.37 mi (1,692.02 km) |
| Grayslake to Bogalusa (Louisiana) | 805.04 mi (1,295.59 km) |
| Grayslake to Boiling Springs (South Carolina) | 600.24 mi (965.99 km) |
| Grayslake to Boise (Idaho) | 1,421.33 mi (2,287.41 km) |
| Grayslake to Bolingbrook (Illinois) | 45.07 mi (72.54 km) |
| Grayslake to Bolivar (Missouri) | 433.71 mi (697.99 km) |
| Grayslake to Bon Air (Virginia) | 646.04 mi (1,039.70 km) |
