| Willoughby to Bound Brook (New Jersey) | 365.23 mi (587.79 km) |
| Willoughby to Bountiful (Utah) | 1,574.55 mi (2,533.99 km) |
| Willoughby to Bourbonnais (Illinois) | 336.69 mi (541.85 km) |
| Willoughby to Bowie (Maryland) | 308.26 mi (496.09 km) |
| Willoughby to Bowling Green (Kentucky) | 420.07 mi (676.04 km) |
| Willoughby to Bowling Green (Ohio) | 117.42 mi (188.97 km) |
| Willoughby to Box Elder (South Dakota) | 1,107.18 mi (1,781.84 km) |
| Willoughby to Boynton Beach (Florida) | 1,047.26 mi (1,685.40 km) |
| Willoughby to Bozeman (Montana) | 1,498.89 mi (2,412.22 km) |
| Willoughby to Bradenton (Florida) | 980.30 mi (1,577.63 km) |
| Willoughby to Bradfordville (Florida) | 780.67 mi (1,256.37 km) |
| Willoughby to Bradley (Illinois) | 335.16 mi (539.38 km) |
| Willoughby to Bradley Gardens (New Jersey) | 358.58 mi (577.08 km) |
| Willoughby to Brainerd (Minnesota) | 712.94 mi (1,147.36 km) |
| Willoughby to Brambleton (Virginia) | 274.94 mi (442.48 km) |
