| Willoughby to Hickory Hills (Illinois) | 331.22 mi (533.04 km) |
| Willoughby to Hicksville (New York) | 414.18 mi (666.57 km) |
| Willoughby to Hidalgo (Texas) | 1,438.65 mi (2,315.28 km) |
| Willoughby to High Point (North Carolina) | 398.05 mi (640.60 km) |
| Willoughby to Highland (California) | 2,002.68 mi (3,223.00 km) |
| Willoughby to Highland (Illinois) | 479.66 mi (771.94 km) |
| Willoughby to Highland (Indiana) | 312.63 mi (503.14 km) |
| Willoughby to Highland (Utah) | 1,577.70 mi (2,539.07 km) |
| Willoughby to Highland City (Florida) | 945.75 mi (1,522.03 km) |
| Willoughby to Highland Park (Illinois) | 331.16 mi (532.95 km) |
| Willoughby to Highland Park (New Jersey) | 371.97 mi (598.63 km) |
| Willoughby to Highland Springs (Virginia) | 356.56 mi (573.83 km) |
| Willoughby to Highland Village (Texas) | 1,040.59 mi (1,674.67 km) |
| Willoughby to Highlands Ranch (Colorado) | 1,240.81 mi (1,996.89 km) |
| Willoughby to Hillcrest (California) | 2,058.71 mi (3,313.17 km) |
