| Willoughby to Burley (Idaho) | 1,651.41 mi (2,657.69 km) |
| Willoughby to Burlingame (California) | 2,177.34 mi (3,504.09 km) |
| Willoughby to Burlington (Iowa) | 507.95 mi (817.47 km) |
| Willoughby to Burlington (Kentucky) | 251.58 mi (404.88 km) |
| Willoughby to Burlington (North Carolina) | 398.71 mi (641.66 km) |
| Willoughby to Burlington (Vermont) | 456.77 mi (735.11 km) |
| Willoughby to Burlington (Wisconsin) | 358.54 mi (577.01 km) |
| Willoughby to Burnsville (Minnesota) | 634.77 mi (1,021.57 km) |
| Willoughby to Burr Ridge (Illinois) | 335.93 mi (540.62 km) |
| Willoughby to Burton (Michigan) | 146.47 mi (235.72 km) |
| Willoughby to Burtonsville (Maryland) | 293.12 mi (471.73 km) |
| Willoughby to Butler (Pennsylvania) | 95.43 mi (153.57 km) |
| Willoughby to Butte (Montana) | 1,575.97 mi (2,536.27 km) |
| Willoughby to Byram (Mississippi) | 815.96 mi (1,313.16 km) |
| Willoughby to Cabot (Arkansas) | 736.43 mi (1,185.17 km) |
