| Royse City to Clemson (South Carolina) | 783.44 mi (1,260.82 km) |
| Royse City to Clermont (Florida) | 918.47 mi (1,478.14 km) |
| Royse City to Cleveland (Mississippi) | 326.82 mi (525.97 km) |
| Royse City to Cleveland (Ohio) | 994.40 mi (1,600.33 km) |
| Royse City to Cleveland (Tennessee) | 672.14 mi (1,081.70 km) |
| Royse City to Cleveland Heights (Ohio) | 1,000.82 mi (1,610.66 km) |
| Royse City to Cliffside Park (New Jersey) | 1,342.64 mi (2,160.78 km) |
| Royse City to Clifton (Colorado) | 797.71 mi (1,283.79 km) |
| Royse City to Clifton (New Jersey) | 1,334.97 mi (2,148.43 km) |
| Royse City to Clinton (Iowa) | 697.08 mi (1,121.84 km) |
| Royse City to Clinton (Maryland) | 1,155.02 mi (1,858.82 km) |
| Royse City to Clinton (Mississippi) | 350.27 mi (563.70 km) |
| Royse City to Clinton (Utah) | 1,032.92 mi (1,662.32 km) |
| Royse City to Clive (Iowa) | 612.64 mi (985.94 km) |
| Royse City to Cloquet (Minnesota) | 970.86 mi (1,562.46 km) |
