| Security-Widefield to Clarksdale (Mississippi) | 845.44 mi (1,360.60 km) |
| Security-Widefield to Clarkston (Georgia) | 1,187.35 mi (1,910.86 km) |
| Security-Widefield to Clarksville (Indiana) | 1,022.61 mi (1,645.73 km) |
| Security-Widefield to Clarksville (Tennessee) | 960.62 mi (1,545.97 km) |
| Security-Widefield to Clawson (Michigan) | 1,157.00 mi (1,862.01 km) |
| Security-Widefield to Clay (Alabama) | 1,065.68 mi (1,715.05 km) |
| Security-Widefield to Clayton (California) | 933.21 mi (1,501.86 km) |
| Security-Widefield to Clayton (Missouri) | 774.89 mi (1,247.06 km) |
| Security-Widefield to Clayton (North Carolina) | 1,455.96 mi (2,343.13 km) |
| Security-Widefield to Clayton (Ohio) | 1,090.16 mi (1,754.45 km) |
| Security-Widefield to Clearfield (Utah) | 419.90 mi (675.76 km) |
| Security-Widefield to Clearlake (California) | 962.70 mi (1,549.31 km) |
| Security-Widefield to Clearwater (Florida) | 1,463.39 mi (2,355.10 km) |
| Security-Widefield to Cleburne (Texas) | 602.40 mi (969.47 km) |
| Security-Widefield to Clemmons (North Carolina) | 1,344.59 mi (2,163.92 km) |
