| Round Rock to Cheney (Washington) | 1,577.14 mi (2,538.16 km) |
| Round Rock to Cherry Creek (Colorado) | 747.44 mi (1,202.88 km) |
| Round Rock to Cherry Hill (Virginia) | 1,281.90 mi (2,063.02 km) |
| Round Rock to Cherry Hill Mall (New Jersey) | 1,428.59 mi (2,299.10 km) |
| Round Rock to Cherryland (California) | 1,477.76 mi (2,378.22 km) |
| Round Rock to Chesapeake (Virginia) | 1,297.33 mi (2,087.85 km) |
| Round Rock to Chester (Pennsylvania) | 1,408.46 mi (2,266.70 km) |
| Round Rock to Chester (Virginia) | 1,248.60 mi (2,009.42 km) |
| Round Rock to Chesterfield (Missouri) | 690.87 mi (1,111.85 km) |
| Round Rock to Chesterton (Indiana) | 966.04 mi (1,554.69 km) |
| Round Rock to Chestnut Ridge (New York) | 1,503.62 mi (2,419.84 km) |
| Round Rock to Cheval (Florida) | 926.23 mi (1,490.62 km) |
| Round Rock to Cheyenne (Wyoming) | 833.85 mi (1,341.95 km) |
| Round Rock to Chicago (Illinois) | 957.83 mi (1,541.47 km) |
| Round Rock to Chicago Heights (Illinois) | 941.94 mi (1,515.91 km) |
