| Willimantic to Ickenham | 3,330.79 mi (5,360.38 km) |
| Willimantic to Ifield | 3,350.09 mi (5,391.45 km) |
| Willimantic to Ilford | 3,352.60 mi (5,395.48 km) |
| Willimantic to Ilfracombe | 3,186.53 mi (5,128.22 km) |
| Willimantic to Ilkeston | 3,267.22 mi (5,258.09 km) |
| Willimantic to Ilkley | 3,229.09 mi (5,196.73 km) |
| Willimantic to Immingham | 3,297.96 mi (5,307.55 km) |
| Willimantic to Ince-in-Makerfield | 3,205.29 mi (5,158.42 km) |
| Willimantic to Inverness | 3,084.43 mi (4,963.91 km) |
| Willimantic to Inverurie | 3,154.48 mi (5,076.65 km) |
| Willimantic to Ipswich | 3,384.95 mi (5,447.56 km) |
| Willimantic to Irlam | 3,214.03 mi (5,172.47 km) |
| Willimantic to Irthlingborough | 3,308.02 mi (5,323.74 km) |
| Willimantic to Irvine | 3,092.03 mi (4,976.14 km) |
| Willimantic to Islington | 3,345.20 mi (5,383.58 km) |
