| Security-Widefield to Cullman (Alabama) | 1,040.17 mi (1,674.00 km) |
| Security-Widefield to Culpeper (Virginia) | 1,437.28 mi (2,313.09 km) |
| Security-Widefield to Culver City (California) | 827.59 mi (1,331.88 km) |
| Security-Widefield to Cumberland (Maryland) | 1,386.32 mi (2,231.06 km) |
| Security-Widefield to Cupertino (California) | 947.00 mi (1,524.05 km) |
| Security-Widefield to Cutler Bay (Florida) | 1,683.17 mi (2,708.81 km) |
| Security-Widefield to Cutlerville (Michigan) | 1,032.77 mi (1,662.08 km) |
| Security-Widefield to Cuyahoga Falls (Ohio) | 1,235.92 mi (1,989.03 km) |
| Security-Widefield to Cypress (California) | 815.53 mi (1,312.47 km) |
| Security-Widefield to Cypress Gardens (Florida) | 1,515.73 mi (2,439.33 km) |
| Security-Widefield to Cypress Lake (Florida) | 1,565.78 mi (2,519.88 km) |
| Security-Widefield to D'Iberville (Mississippi) | 1,063.33 mi (1,711.26 km) |
| Security-Widefield to Dakota Ridge (Colorado) | 64.20 mi (103.33 km) |
| Security-Widefield to Dale City (Virginia) | 1,470.27 mi (2,366.17 km) |
| Security-Widefield to Dallas (Georgia) | 1,152.75 mi (1,855.18 km) |
