| Glastonbury to Indianola (Iowa) | 4,110.58 mi (6,615.35 km) |
| Glastonbury to Indio (California) | 5,322.83 mi (8,566.27 km) |
| Glastonbury to Inglewood (California) | 5,381.14 mi (8,660.11 km) |
| Glastonbury to Inkster (Michigan) | 3,671.73 mi (5,909.07 km) |
| Glastonbury to Inver Grove Heights (Minnesota) | 3,930.45 mi (6,325.44 km) |
| Glastonbury to Inwood (New York) | 3,355.57 mi (5,400.27 km) |
| Glastonbury to Iona (Florida) | 4,359.86 mi (7,016.51 km) |
| Glastonbury to Ionia (Michigan) | 3,710.75 mi (5,971.87 km) |
| Glastonbury to Iowa City (Iowa) | 4,019.63 mi (6,468.97 km) |
| Glastonbury to Irmo (South Carolina) | 3,958.51 mi (6,370.61 km) |
| Glastonbury to Irondale (Alabama) | 4,211.71 mi (6,778.10 km) |
| Glastonbury to Ironton (Ohio) | 3,814.22 mi (6,138.39 km) |
| Glastonbury to Irvine (California) | 5,377.87 mi (8,654.85 km) |
| Glastonbury to Irving (Texas) | 4,660.61 mi (7,500.53 km) |
| Glastonbury to Isabela (Puerto Rico) | 4,122.70 mi (6,634.84 km) |
