| Round Rock to Indianapolis (Indiana) | 910.56 mi (1,465.41 km) |
| Round Rock to Indianola (Iowa) | 782.75 mi (1,259.71 km) |
| Round Rock to Indio (California) | 1,107.31 mi (1,782.04 km) |
| Round Rock to Inglewood (California) | 1,229.31 mi (1,978.39 km) |
| Round Rock to Inkster (Michigan) | 1,136.01 mi (1,828.23 km) |
| Round Rock to Inver Grove Heights (Minnesota) | 1,019.00 mi (1,639.93 km) |
| Round Rock to Inwood (New York) | 1,507.21 mi (2,425.63 km) |
| Round Rock to Iona (Florida) | 991.82 mi (1,596.18 km) |
| Round Rock to Ionia (Michigan) | 1,104.57 mi (1,777.63 km) |
| Round Rock to Iowa City (Iowa) | 841.16 mi (1,353.71 km) |
| Round Rock to Irmo (South Carolina) | 991.60 mi (1,595.83 km) |
| Round Rock to Irondale (Alabama) | 676.95 mi (1,089.45 km) |
| Round Rock to Ironton (Ohio) | 1,014.59 mi (1,632.83 km) |
| Round Rock to Irvine (California) | 1,194.94 mi (1,923.07 km) |
| Round Rock to Irving (Texas) | 166.16 mi (267.41 km) |
