| Willimantic to Hillcrest Heights (Maryland) | 319.84 mi (514.74 km) |
| Willimantic to Hilliard (Ohio) | 583.13 mi (938.46 km) |
| Willimantic to Hillsboro (Oregon) | 2,508.28 mi (4,036.69 km) |
| Willimantic to Hillsborough (California) | 2,645.97 mi (4,258.28 km) |
| Willimantic to Hillsborough (New Jersey) | 152.10 mi (244.78 km) |
| Willimantic to Hilo (Hawaii) | 4,964.94 mi (7,990.29 km) |
| Willimantic to Hilton Head Island (South Carolina) | 808.75 mi (1,301.55 km) |
| Willimantic to Hinesville (Georgia) | 857.87 mi (1,380.60 km) |
| Willimantic to Hinsdale (Illinois) | 808.89 mi (1,301.79 km) |
| Willimantic to Hobart (Indiana) | 777.14 mi (1,250.69 km) |
| Willimantic to Hobbs (New Mexico) | 1,800.72 mi (2,897.98 km) |
| Willimantic to Hobe Sound (Florida) | 1,107.00 mi (1,781.54 km) |
| Willimantic to Hoboken (New Jersey) | 115.84 mi (186.43 km) |
| Willimantic to Hockessin (Delaware) | 225.44 mi (362.80 km) |
| Willimantic to Hoffman Estates (Illinois) | 818.79 mi (1,317.72 km) |
