| Willoughby to Blue Island (Illinois) | 323.77 mi (521.05 km) |
| Willoughby to Blue Springs (Missouri) | 700.81 mi (1,127.85 km) |
| Willoughby to Bluffdale (Utah) | 1,584.27 mi (2,549.63 km) |
| Willoughby to Bluffton (Indiana) | 205.42 mi (330.59 km) |
| Willoughby to Bluffton (South Carolina) | 652.24 mi (1,049.69 km) |
| Willoughby to Blythe (California) | 1,886.66 mi (3,036.29 km) |
| Willoughby to Blytheville (Arkansas) | 603.81 mi (971.74 km) |
| Willoughby to Boca Raton (Florida) | 1,057.69 mi (1,702.19 km) |
| Willoughby to Boerne (Texas) | 1,266.76 mi (2,038.66 km) |
| Willoughby to Bogalusa (Louisiana) | 885.32 mi (1,424.78 km) |
| Willoughby to Boiling Springs (South Carolina) | 457.12 mi (735.66 km) |
| Willoughby to Boise (Idaho) | 1,762.54 mi (2,836.54 km) |
| Willoughby to Bolingbrook (Illinois) | 345.41 mi (555.89 km) |
| Willoughby to Bolivar (Missouri) | 696.58 mi (1,121.04 km) |
| Willoughby to Bon Air (Virginia) | 350.72 mi (564.43 km) |
