| Hays to Cullman (Alabama) | 764.51 mi (1,230.36 km) |
| Hays to Culpeper (Virginia) | 1,147.85 mi (1,847.29 km) |
| Hays to Culver City (California) | 1,109.98 mi (1,786.34 km) |
| Hays to Cumberland (Maryland) | 1,098.88 mi (1,768.48 km) |
| Hays to Cupertino (California) | 1,237.10 mi (1,990.92 km) |
| Hays to Cutler Bay (Florida) | 1,435.69 mi (2,310.52 km) |
| Hays to Cutlerville (Michigan) | 762.74 mi (1,227.52 km) |
| Hays to Cuyahoga Falls (Ohio) | 953.24 mi (1,534.10 km) |
| Hays to Cypress (California) | 1,096.37 mi (1,764.44 km) |
| Hays to Cypress Gardens (Florida) | 1,260.62 mi (2,028.77 km) |
| Hays to Cypress Lake (Florida) | 1,319.82 mi (2,124.05 km) |
| Hays to D'Iberville (Mississippi) | 828.56 mi (1,333.44 km) |
| Hays to Dakota Ridge (Colorado) | 315.07 mi (507.06 km) |
| Hays to Dale City (Virginia) | 1,181.18 mi (1,900.92 km) |
| Hays to Dallas (Georgia) | 874.08 mi (1,406.70 km) |
