| National City to Cullman (Alabama) | 1,741.65 mi (2,802.92 km) |
| National City to Culpeper (Virginia) | 2,216.74 mi (3,567.49 km) |
| National City to Culver City (California) | 119.14 mi (191.74 km) |
| National City to Cumberland (Maryland) | 2,175.26 mi (3,500.74 km) |
| National City to Cupertino (California) | 426.16 mi (685.84 km) |
| National City to Cutler Bay (Florida) | 2,260.62 mi (3,638.11 km) |
| National City to Cutlerville (Michigan) | 1,841.60 mi (2,963.77 km) |
| National City to Cuyahoga Falls (Ohio) | 2,035.37 mi (3,275.60 km) |
| National City to Cypress (California) | 96.36 mi (155.07 km) |
| National City to Cypress Gardens (Florida) | 2,126.32 mi (3,421.98 km) |
| National City to Cypress Lake (Florida) | 2,146.35 mi (3,454.21 km) |
| National City to D'Iberville (Mississippi) | 1,661.98 mi (2,674.70 km) |
| National City to Dakota Ridge (Colorado) | 821.26 mi (1,321.69 km) |
| National City to Dale City (Virginia) | 2,251.68 mi (3,623.73 km) |
| National City to Dallas (Georgia) | 1,857.34 mi (2,989.10 km) |
