| Royse City to Cadillac (Michigan) | 974.36 mi (1,568.08 km) |
| Royse City to Caguas (Puerto Rico) | 2,132.58 mi (3,432.05 km) |
| Royse City to Cahokia (Illinois) | 516.95 mi (831.96 km) |
| Royse City to Calabasas (California) | 1,286.88 mi (2,071.04 km) |
| Royse City to Caldwell (Idaho) | 1,320.83 mi (2,125.67 km) |
| Royse City to Caledonia (Wisconsin) | 819.06 mi (1,318.14 km) |
| Royse City to Calera (Alabama) | 554.28 mi (892.03 km) |
| Royse City to Calexico (California) | 1,112.00 mi (1,789.60 km) |
| Royse City to Calhoun (Georgia) | 661.78 mi (1,065.04 km) |
| Royse City to California (Maryland) | 1,169.49 mi (1,882.11 km) |
| Royse City to California City (California) | 1,240.40 mi (1,996.24 km) |
| Royse City to Callaway (Florida) | 662.90 mi (1,066.83 km) |
| Royse City to Calumet City (Illinois) | 766.14 mi (1,232.99 km) |
| Royse City to Calverton (Maryland) | 1,158.23 mi (1,863.99 km) |
| Royse City to Camano (Washington) | 1,714.18 mi (2,758.70 km) |
