| Hays to Conyers (Georgia) | 925.14 mi (1,488.87 km) |
| Hays to Cookeville (Tennessee) | 779.27 mi (1,254.12 km) |
| Hays to Coolidge (Arizona) | 795.90 mi (1,280.88 km) |
| Hays to Coon Rapids (Minnesota) | 532.86 mi (857.55 km) |
| Hays to Cooper City (Florida) | 1,415.37 mi (2,277.81 km) |
| Hays to Coos Bay (Oregon) | 1,327.72 mi (2,136.76 km) |
| Hays to Copiague (New York) | 1,377.43 mi (2,216.77 km) |
| Hays to Coppell (Texas) | 429.17 mi (690.68 km) |
| Hays to Copperas Cove (Texas) | 542.23 mi (872.64 km) |
| Hays to Coral Gables (Florida) | 1,432.41 mi (2,305.25 km) |
| Hays to Coral Springs (Florida) | 1,405.99 mi (2,262.72 km) |
| Hays to Coral Terrace (Florida) | 1,428.87 mi (2,299.54 km) |
| Hays to Coralville (Iowa) | 451.04 mi (725.88 km) |
| Hays to Coram (New York) | 1,396.82 mi (2,247.96 km) |
| Hays to Corcoran (California) | 1,123.96 mi (1,808.85 km) |
