| Leighton Buzzard to Indianola (Iowa) | 4,160.69 mi (6,695.98 km) |
| Leighton Buzzard to Indio (California) | 5,357.73 mi (8,622.43 km) |
| Leighton Buzzard to Inglewood (California) | 5,413.32 mi (8,711.89 km) |
| Leighton Buzzard to Inkster (Michigan) | 3,729.91 mi (6,002.71 km) |
| Leighton Buzzard to Inver Grove Heights (Minnesota) | 3,976.32 mi (6,399.27 km) |
| Leighton Buzzard to Inwood (New York) | 3,424.29 mi (5,510.86 km) |
| Leighton Buzzard to Iona (Florida) | 4,437.22 mi (7,141.02 km) |
| Leighton Buzzard to Ionia (Michigan) | 3,766.42 mi (6,061.46 km) |
| Leighton Buzzard to Iowa City (Iowa) | 4,071.26 mi (6,552.06 km) |
| Leighton Buzzard to Irmo (South Carolina) | 4,028.91 mi (6,483.91 km) |
| Leighton Buzzard to Irondale (Alabama) | 4,277.78 mi (6,884.42 km) |
| Leighton Buzzard to Ironton (Ohio) | 3,878.01 mi (6,241.05 km) |
| Leighton Buzzard to Irvine (California) | 5,411.01 mi (8,708.17 km) |
| Leighton Buzzard to Irving (Texas) | 4,717.46 mi (7,592.02 km) |
| Leighton Buzzard to Isabela (Puerto Rico) | 4,217.03 mi (6,786.65 km) |
