| Security-Widefield to Cadillac (Michigan) | 1,065.35 mi (1,714.52 km) |
| Security-Widefield to Caguas (Puerto Rico) | 2,713.60 mi (4,367.12 km) |
| Security-Widefield to Cahokia (Illinois) | 783.51 mi (1,260.94 km) |
| Security-Widefield to Calabasas (California) | 837.38 mi (1,347.63 km) |
| Security-Widefield to Caldwell (Idaho) | 706.21 mi (1,136.54 km) |
| Security-Widefield to Caledonia (Wisconsin) | 922.54 mi (1,484.68 km) |
| Security-Widefield to Calera (Alabama) | 1,075.42 mi (1,730.71 km) |
| Security-Widefield to Calexico (California) | 734.86 mi (1,182.64 km) |
| Security-Widefield to Calhoun (Georgia) | 1,132.90 mi (1,823.22 km) |
| Security-Widefield to California (Maryland) | 1,519.66 mi (2,445.66 km) |
| Security-Widefield to California City (California) | 766.85 mi (1,234.13 km) |
| Security-Widefield to Callaway (Florida) | 1,239.70 mi (1,995.10 km) |
| Security-Widefield to Calumet City (Illinois) | 925.73 mi (1,489.81 km) |
| Security-Widefield to Calverton (Maryland) | 1,487.22 mi (2,393.46 km) |
| Security-Widefield to Camano (Washington) | 1,099.27 mi (1,769.10 km) |
