| Willimantic to Hoyo de Manzanares | 3,455.92 mi (5,561.77 km) |
| Willimantic to Huelva | 3,409.73 mi (5,487.43 km) |
| Willimantic to Huercal de Almeria | 3,642.30 mi (5,861.72 km) |
| Willimantic to Huercal-Overa | 3,650.23 mi (5,874.48 km) |
| Willimantic to Huesca | 3,574.21 mi (5,752.13 km) |
| Willimantic to Huetor Vega | 3,578.46 mi (5,758.97 km) |
| Willimantic to Huetor-Tajar | 3,553.64 mi (5,719.03 km) |
| Willimantic to Humanes de Madrid | 3,469.76 mi (5,584.04 km) |
| Willimantic to Ibi | 3,675.25 mi (5,914.74 km) |
| Willimantic to Ibiza | 3,761.58 mi (6,053.69 km) |
| Willimantic to Icod de los Vinos | 3,214.95 mi (5,173.97 km) |
| Willimantic to Igualada | 3,685.15 mi (5,930.68 km) |
| Willimantic to Illescas | 3,473.58 mi (5,590.18 km) |
| Willimantic to Inca | 3,804.92 mi (6,123.43 km) |
| Willimantic to Ingenio | 3,296.08 mi (5,304.53 km) |
