| Hays to Cibolo (Texas) | 646.96 mi (1,041.18 km) |
| Hays to Cicero (Illinois) | 641.61 mi (1,032.57 km) |
| Hays to Cimarron Hills (Colorado) | 289.23 mi (465.47 km) |
| Hays to Cincinnati (Ohio) | 794.75 mi (1,279.02 km) |
| Hays to Cinco Ranch (Texas) | 663.42 mi (1,067.68 km) |
| Hays to Circleville (Ohio) | 877.16 mi (1,411.66 km) |
| Hays to Citrus (California) | 1,080.27 mi (1,738.52 km) |
| Hays to Citrus Heights (California) | 1,180.19 mi (1,899.34 km) |
| Hays to Citrus Park (Florida) | 1,217.45 mi (1,959.30 km) |
| Hays to Claiborne (Louisiana) | 592.79 mi (954.00 km) |
| Hays to Claremont (California) | 1,070.86 mi (1,723.38 km) |
| Hays to Claremont (New Hampshire) | 1,431.62 mi (2,303.97 km) |
| Hays to Claremore (Oklahoma) | 269.72 mi (434.08 km) |
| Hays to Clarksburg (Maryland) | 1,180.73 mi (1,900.21 km) |
| Hays to Clarksburg (West Virginia) | 1,017.45 mi (1,637.43 km) |
