| Hays to Cadillac (Michigan) | 807.40 mi (1,299.38 km) |
| Hays to Caguas (Puerto Rico) | 2,450.38 mi (3,943.51 km) |
| Hays to Cahokia (Illinois) | 493.12 mi (793.60 km) |
| Hays to Calabasas (California) | 1,120.79 mi (1,803.73 km) |
| Hays to Caldwell (Idaho) | 956.47 mi (1,539.30 km) |
| Hays to Caledonia (Wisconsin) | 655.91 mi (1,055.59 km) |
| Hays to Calera (Alabama) | 806.63 mi (1,298.15 km) |
| Hays to Calexico (California) | 1,000.55 mi (1,610.23 km) |
| Hays to Calhoun (Georgia) | 851.56 mi (1,370.45 km) |
| Hays to California (Maryland) | 1,230.25 mi (1,979.89 km) |
| Hays to California City (California) | 1,053.13 mi (1,694.85 km) |
| Hays to Callaway (Florida) | 987.76 mi (1,589.65 km) |
| Hays to Calumet City (Illinois) | 648.22 mi (1,043.21 km) |
| Hays to Calverton (Maryland) | 1,198.87 mi (1,929.40 km) |
| Hays to Camano (Washington) | 1,318.36 mi (2,121.70 km) |
