| Hays to Cloverleaf (Texas) | 671.24 mi (1,080.25 km) |
| Hays to Cloverly (Maryland) | 1,195.79 mi (1,924.44 km) |
| Hays to Clovis (California) | 1,117.43 mi (1,798.33 km) |
| Hays to Clovis (New Mexico) | 374.50 mi (602.70 km) |
| Hays to Clute (Texas) | 716.99 mi (1,153.89 km) |
| Hays to Coachella (California) | 1,001.26 mi (1,611.37 km) |
| Hays to Coalinga (California) | 1,163.84 mi (1,873.02 km) |
| Hays to Coamo (Puerto Rico) | 2,442.01 mi (3,930.03 km) |
| Hays to Coatesville (Pennsylvania) | 1,252.87 mi (2,016.30 km) |
| Hays to Cockeysville (Maryland) | 1,212.86 mi (1,951.91 km) |
| Hays to Cocoa (Florida) | 1,286.53 mi (2,070.48 km) |
| Hays to Cocoa Beach (Florida) | 1,295.29 mi (2,084.57 km) |
| Hays to Coconut Creek (Florida) | 1,408.91 mi (2,267.42 km) |
| Hays to Coeur d'Alene (Idaho) | 1,065.42 mi (1,714.63 km) |
| Hays to Cohoes (New York) | 1,360.34 mi (2,189.25 km) |
