| Willimantic to Indianapolis (Indiana) | 740.74 mi (1,192.11 km) |
| Willimantic to Indianola (Iowa) | 1,101.77 mi (1,773.12 km) |
| Willimantic to Indio (California) | 2,440.52 mi (3,927.63 km) |
| Willimantic to Inglewood (California) | 2,542.47 mi (4,091.71 km) |
| Willimantic to Inkster (Michigan) | 571.05 mi (919.02 km) |
| Willimantic to Inver Grove Heights (Minnesota) | 1,067.45 mi (1,717.89 km) |
| Willimantic to Inwood (New York) | 110.16 mi (177.28 km) |
| Willimantic to Iona (Florida) | 1,187.22 mi (1,910.65 km) |
| Willimantic to Ionia (Michigan) | 661.84 mi (1,065.14 km) |
| Willimantic to Iowa City (Iowa) | 994.74 mi (1,600.87 km) |
| Willimantic to Irmo (South Carolina) | 718.01 mi (1,155.52 km) |
| Willimantic to Irondale (Alabama) | 969.45 mi (1,560.18 km) |
| Willimantic to Ironton (Ohio) | 594.63 mi (956.97 km) |
| Willimantic to Irvine (California) | 2,521.60 mi (4,058.13 km) |
| Willimantic to Irving (Texas) | 1,485.32 mi (2,390.40 km) |
