| Security-Widefield to Carlsbad (California) | 802.32 mi (1,291.22 km) |
| Security-Widefield to Carlsbad (New Mexico) | 439.41 mi (707.16 km) |
| Security-Widefield to Carmel (Indiana) | 993.73 mi (1,599.25 km) |
| Security-Widefield to Carmichael (California) | 894.69 mi (1,439.87 km) |
| Security-Widefield to Carney (Maryland) | 1,506.58 mi (2,424.61 km) |
| Security-Widefield to Carnot-Moon (Pennsylvania) | 1,304.99 mi (2,100.18 km) |
| Security-Widefield to Carol Stream (Illinois) | 898.88 mi (1,446.61 km) |
| Security-Widefield to Carolina (Puerto Rico) | 2,708.98 mi (4,359.69 km) |
| Security-Widefield to Carolina Forest (South Carolina) | 1,472.84 mi (2,370.31 km) |
| Security-Widefield to Carpentersville (Illinois) | 893.07 mi (1,437.26 km) |
| Security-Widefield to Carpinteria (California) | 873.19 mi (1,405.27 km) |
| Security-Widefield to Carrboro (North Carolina) | 1,416.51 mi (2,279.65 km) |
| Security-Widefield to Carroll (Iowa) | 566.26 mi (911.31 km) |
| Security-Widefield to Carrollton (Georgia) | 1,149.01 mi (1,849.16 km) |
| Security-Widefield to Carrollton (Texas) | 591.01 mi (951.14 km) |
