| Fort Smith to Indianola (Iowa) | 417.76 mi (672.32 km) |
| Fort Smith to Indio (California) | 1,246.86 mi (2,006.62 km) |
| Fort Smith to Inglewood (California) | 1,362.73 mi (2,193.10 km) |
| Fort Smith to Inkster (Michigan) | 763.29 mi (1,228.39 km) |
| Fort Smith to Inver Grove Heights (Minnesota) | 658.30 mi (1,059.43 km) |
| Fort Smith to Inwood (New York) | 1,177.19 mi (1,894.50 km) |
| Fort Smith to Iona (Florida) | 954.26 mi (1,535.74 km) |
| Fort Smith to Ionia (Michigan) | 724.22 mi (1,165.52 km) |
| Fort Smith to Iowa City (Iowa) | 461.91 mi (743.37 km) |
| Fort Smith to Irmo (South Carolina) | 752.49 mi (1,211.01 km) |
| Fort Smith to Irondale (Alabama) | 456.47 mi (734.61 km) |
| Fort Smith to Ironton (Ohio) | 681.48 mi (1,096.73 km) |
| Fort Smith to Irvine (California) | 1,334.36 mi (2,147.44 km) |
| Fort Smith to Irving (Texas) | 227.50 mi (366.12 km) |
| Fort Smith to Isabela (Puerto Rico) | 2,036.15 mi (3,276.87 km) |
