| Round Rock to Cottage Grove (Minnesota) | 1,020.22 mi (1,641.88 km) |
| Round Rock to Cottage Grove (Oregon) | 1,661.28 mi (2,673.57 km) |
| Round Rock to Cottage Lake (Washington) | 1,754.40 mi (2,823.43 km) |
| Round Rock to Cottonwood (Arizona) | 882.19 mi (1,419.76 km) |
| Round Rock to Cottonwood Heights (Utah) | 1,054.93 mi (1,697.75 km) |
| Round Rock to Council Bluffs (Iowa) | 746.86 mi (1,201.95 km) |
| Round Rock to Country Club (Florida) | 1,101.51 mi (1,772.72 km) |
| Round Rock to Country Club Hills (Illinois) | 941.84 mi (1,515.74 km) |
| Round Rock to Country Walk (Florida) | 1,101.97 mi (1,773.44 km) |
| Round Rock to Covina (California) | 1,203.89 mi (1,937.48 km) |
| Round Rock to Covington (Georgia) | 835.81 mi (1,345.11 km) |
| Round Rock to Covington (Kentucky) | 948.06 mi (1,525.76 km) |
| Round Rock to Covington (Louisiana) | 449.50 mi (723.40 km) |
| Round Rock to Covington (Washington) | 1,741.03 mi (2,801.92 km) |
| Round Rock to Cranston (Rhode Island) | 1,644.81 mi (2,647.07 km) |
