| Willoughby to Tysons (Virginia) | 289.76 mi (466.33 km) |
| Willoughby to Ukiah (California) | 2,184.84 mi (3,516.16 km) |
| Willoughby to Union (Missouri) | 552.83 mi (889.70 km) |
| Willoughby to Union City (California) | 2,159.04 mi (3,474.63 km) |
| Willoughby to Union City (Georgia) | 582.37 mi (937.23 km) |
| Willoughby to Union City (New Jersey) | 388.07 mi (624.54 km) |
| Willoughby to Union City (Tennessee) | 545.59 mi (878.05 km) |
| Willoughby to Union Hill-Novelty Hill (Washington) | 2,015.02 mi (3,242.85 km) |
| Willoughby to Union Park (Florida) | 903.81 mi (1,454.54 km) |
| Willoughby to Uniondale (New York) | 411.20 mi (661.77 km) |
| Willoughby to Universal City (Texas) | 1,260.49 mi (2,028.56 km) |
| Willoughby to University (Florida) | 939.29 mi (1,511.64 km) |
| Willoughby to University City (Missouri) | 513.90 mi (827.04 km) |
| Willoughby to University Heights (Ohio) | 12.32 mi (19.83 km) |
| Willoughby to University of California-Santa Barbara (California) | 2,132.57 mi (3,432.04 km) |
