| Alpena to Indianola (Iowa) | 570.09 mi (917.47 km) |
| Alpena to Indio (California) | 1,901.20 mi (3,059.69 km) |
| Alpena to Inglewood (California) | 1,993.54 mi (3,208.29 km) |
| Alpena to Inkster (Michigan) | 192.22 mi (309.34 km) |
| Alpena to Inver Grove Heights (Minnesota) | 470.42 mi (757.07 km) |
| Alpena to Inwood (New York) | 578.66 mi (931.27 km) |
| Alpena to Iona (Florida) | 1,284.85 mi (2,067.77 km) |
| Alpena to Ionia (Michigan) | 166.02 mi (267.18 km) |
| Alpena to Iowa City (Iowa) | 469.68 mi (755.88 km) |
| Alpena to Irmo (South Carolina) | 767.38 mi (1,234.98 km) |
| Alpena to Irondale (Alabama) | 814.86 mi (1,311.38 km) |
| Alpena to Ironton (Ohio) | 453.68 mi (730.13 km) |
| Alpena to Irvine (California) | 1,976.84 mi (3,181.41 km) |
| Alpena to Irving (Texas) | 1,110.75 mi (1,787.58 km) |
| Alpena to Isabela (Puerto Rico) | 2,064.73 mi (3,322.86 km) |
