| Pittsburgh to Indianapolis (Indiana) | 329.15 mi (529.72 km) |
| Pittsburgh to Indianola (Iowa) | 711.78 mi (1,145.50 km) |
| Pittsburgh to Indio (California) | 2,036.30 mi (3,277.12 km) |
| Pittsburgh to Inglewood (California) | 2,141.10 mi (3,445.77 km) |
| Pittsburgh to Inkster (Michigan) | 215.32 mi (346.52 km) |
| Pittsburgh to Inver Grove Heights (Minnesota) | 729.70 mi (1,174.33 km) |
| Pittsburgh to Inwood (New York) | 327.12 mi (526.44 km) |
| Pittsburgh to Iona (Florida) | 968.73 mi (1,559.02 km) |
| Pittsburgh to Ionia (Michigan) | 315.89 mi (508.38 km) |
| Pittsburgh to Iowa City (Iowa) | 607.41 mi (977.54 km) |
| Pittsburgh to Irmo (South Carolina) | 442.99 mi (712.93 km) |
| Pittsburgh to Irondale (Alabama) | 602.15 mi (969.06 km) |
| Pittsburgh to Ironton (Ohio) | 195.23 mi (314.19 km) |
| Pittsburgh to Irvine (California) | 2,118.84 mi (3,409.94 km) |
| Pittsburgh to Irving (Texas) | 1,075.20 mi (1,730.37 km) |
