| Houghton le Spring to Indianola (Iowa) | 4,032.91 mi (6,490.33 km) |
| Houghton le Spring to Indio (California) | 5,204.14 mi (8,375.26 km) |
| Houghton le Spring to Inglewood (California) | 5,255.95 mi (8,458.63 km) |
| Houghton le Spring to Inkster (Michigan) | 3,618.38 mi (5,823.22 km) |
| Houghton le Spring to Inver Grove Heights (Minnesota) | 3,841.50 mi (6,182.30 km) |
| Houghton le Spring to Inwood (New York) | 3,336.86 mi (5,370.16 km) |
| Houghton le Spring to Iona (Florida) | 4,370.09 mi (7,032.99 km) |
| Houghton le Spring to Ionia (Michigan) | 3,649.79 mi (5,873.77 km) |
| Houghton le Spring to Iowa City (Iowa) | 3,946.40 mi (6,351.12 km) |
| Houghton le Spring to Irmo (South Carolina) | 3,944.13 mi (6,347.46 km) |
| Houghton le Spring to Irondale (Alabama) | 4,182.14 mi (6,730.50 km) |
| Houghton le Spring to Ironton (Ohio) | 3,778.04 mi (6,080.16 km) |
| Houghton le Spring to Irvine (California) | 5,254.93 mi (8,456.99 km) |
| Houghton le Spring to Irving (Texas) | 4,601.41 mi (7,405.25 km) |
| Houghton le Spring to Isabela (Puerto Rico) | 4,212.04 mi (6,778.63 km) |
