| Willoughby to Horizon West (Florida) | 912.40 mi (1,468.36 km) |
| Willoughby to Hormigueros (Puerto Rico) | 1,829.70 mi (2,944.62 km) |
| Willoughby to Horn Lake (Mississippi) | 657.77 mi (1,058.57 km) |
| Willoughby to Hot Springs (Arkansas) | 802.20 mi (1,291.02 km) |
| Willoughby to Hot Springs Village (Arkansas) | 790.90 mi (1,272.84 km) |
| Willoughby to Houma (Louisiana) | 982.34 mi (1,580.92 km) |
| Willoughby to Houston (Texas) | 1,131.32 mi (1,820.68 km) |
| Willoughby to Howard (Wisconsin) | 392.90 mi (632.30 km) |
| Willoughby to Huber Heights (Ohio) | 187.80 mi (302.23 km) |
| Willoughby to Hudson (Florida) | 920.83 mi (1,481.93 km) |
| Willoughby to Hudson (Ohio) | 28.10 mi (45.23 km) |
| Willoughby to Hudson (Wisconsin) | 613.06 mi (986.63 km) |
| Willoughby to Hueytown (Alabama) | 645.63 mi (1,039.04 km) |
| Willoughby to Hugo (Minnesota) | 628.02 mi (1,010.71 km) |
| Willoughby to Humacao (Puerto Rico) | 1,865.71 mi (3,002.56 km) |
