| Willoughby to Hagerstown (Maryland) | 237.80 mi (382.69 km) |
| Willoughby to Haines City (Florida) | 935.30 mi (1,505.22 km) |
| Willoughby to Halawa (Hawaii) | 4,569.72 mi (7,354.25 km) |
| Willoughby to Half Moon Bay (California) | 2,183.85 mi (3,514.57 km) |
| Willoughby to Halfway (Maryland) | 236.73 mi (380.98 km) |
| Willoughby to Hallandale Beach (Florida) | 1,084.44 mi (1,745.23 km) |
| Willoughby to Haltom City (Texas) | 1,061.89 mi (1,708.95 km) |
| Willoughby to Ham Lake (Minnesota) | 641.26 mi (1,032.01 km) |
| Willoughby to Hamilton (Ohio) | 227.35 mi (365.89 km) |
| Willoughby to Hamilton Square (New Jersey) | 365.93 mi (588.91 km) |
| Willoughby to Hammond (Indiana) | 314.06 mi (505.43 km) |
| Willoughby to Hammond (Louisiana) | 919.48 mi (1,479.76 km) |
| Willoughby to Hammonton (New Jersey) | 374.11 mi (602.07 km) |
| Willoughby to Hampton (Virginia) | 416.10 mi (669.66 km) |
| Willoughby to Hampton Bays (New York) | 464.44 mi (747.44 km) |
