| Security-Widefield to Commerce (California) | 815.44 mi (1,312.33 km) |
| Security-Widefield to Commerce City (Colorado) | 77.36 mi (124.50 km) |
| Security-Widefield to Compton (California) | 822.60 mi (1,323.84 km) |
| Security-Widefield to Comstock Park (Michigan) | 1,034.95 mi (1,665.58 km) |
| Security-Widefield to Concord (California) | 936.73 mi (1,507.52 km) |
| Security-Widefield to Concord (Missouri) | 774.29 mi (1,246.10 km) |
| Security-Widefield to Concord (New Hampshire) | 1,744.82 mi (2,808.02 km) |
| Security-Widefield to Concord (North Carolina) | 1,343.41 mi (2,162.00 km) |
| Security-Widefield to Conneaut (Ohio) | 1,286.04 mi (2,069.68 km) |
| Security-Widefield to Connersville (Indiana) | 1,047.77 mi (1,686.22 km) |
| Security-Widefield to Conroe (Texas) | 783.30 mi (1,260.60 km) |
| Security-Widefield to Converse (Texas) | 735.57 mi (1,183.78 km) |
| Security-Widefield to Conway (Arkansas) | 721.79 mi (1,161.60 km) |
| Security-Widefield to Conway (Florida) | 1,514.11 mi (2,436.72 km) |
| Security-Widefield to Conway (South Carolina) | 1,464.01 mi (2,356.10 km) |
