| Willoughby to Bonham (Texas) | 979.83 mi (1,576.89 km) |
| Willoughby to Bonita (California) | 2,040.86 mi (3,284.45 km) |
| Willoughby to Bonita Springs (Florida) | 1,056.66 mi (1,700.53 km) |
| Willoughby to Bonney Lake (Washington) | 2,023.90 mi (3,257.16 km) |
| Willoughby to Boone (Iowa) | 641.78 mi (1,032.84 km) |
| Willoughby to Boone (North Carolina) | 375.76 mi (604.73 km) |
| Willoughby to Borger (Texas) | 1,151.99 mi (1,853.95 km) |
| Willoughby to Bossier City (Louisiana) | 922.31 mi (1,484.31 km) |
| Willoughby to Boston (Massachusetts) | 531.91 mi (856.03 km) |
| Willoughby to Bostonia (California) | 2,031.70 mi (3,269.70 km) |
| Willoughby to Bothell (Washington) | 2,022.81 mi (3,255.40 km) |
| Willoughby to Bothell East (Washington) | 2,021.75 mi (3,253.70 km) |
| Willoughby to Bothell West (Washington) | 2,024.34 mi (3,257.86 km) |
| Willoughby to Boulder (Colorado) | 1,247.48 mi (2,007.62 km) |
| Willoughby to Boulder City (Nevada) | 1,837.98 mi (2,957.94 km) |
