| Security-Widefield to Clemson (South Carolina) | 1,241.88 mi (1,998.61 km) |
| Security-Widefield to Clermont (Florida) | 1,493.16 mi (2,403.00 km) |
| Security-Widefield to Cleveland (Mississippi) | 851.38 mi (1,370.17 km) |
| Security-Widefield to Cleveland (Ohio) | 1,227.88 mi (1,976.08 km) |
| Security-Widefield to Cleveland (Tennessee) | 1,120.44 mi (1,803.18 km) |
| Security-Widefield to Cleveland Heights (Ohio) | 1,233.98 mi (1,985.90 km) |
| Security-Widefield to Cliffside Park (New Jersey) | 1,629.30 mi (2,622.10 km) |
| Security-Widefield to Clifton (Colorado) | 202.66 mi (326.15 km) |
| Security-Widefield to Clifton (New Jersey) | 1,620.22 mi (2,607.49 km) |
| Security-Widefield to Clinton (Iowa) | 791.00 mi (1,273.00 km) |
| Security-Widefield to Clinton (Maryland) | 1,492.60 mi (2,402.10 km) |
| Security-Widefield to Clinton (Mississippi) | 919.36 mi (1,479.57 km) |
| Security-Widefield to Clinton (Utah) | 422.82 mi (680.46 km) |
| Security-Widefield to Clive (Iowa) | 608.79 mi (979.75 km) |
| Security-Widefield to Cloquet (Minnesota) | 827.83 mi (1,332.26 km) |
