| Festus to Clemson (South Carolina) | 487.56 mi (784.65 km) |
| Festus to Clermont (Florida) | 835.33 mi (1,344.33 km) |
| Festus to Cleveland (Mississippi) | 309.73 mi (498.47 km) |
| Festus to Cleveland (Ohio) | 514.50 mi (828.01 km) |
| Festus to Cleveland (Tennessee) | 371.64 mi (598.10 km) |
| Festus to Cleveland Heights (Ohio) | 521.01 mi (838.48 km) |
| Festus to Cliffside Park (New Jersey) | 892.12 mi (1,435.72 km) |
| Festus to Clifton (Colorado) | 974.25 mi (1,567.90 km) |
| Festus to Clifton (New Jersey) | 883.63 mi (1,422.06 km) |
| Festus to Clinton (Iowa) | 250.56 mi (403.24 km) |
| Festus to Clinton (Maryland) | 730.58 mi (1,175.76 km) |
| Festus to Clinton (Mississippi) | 405.28 mi (652.23 km) |
| Festus to Clinton (Utah) | 1,165.97 mi (1,876.44 km) |
| Festus to Clive (Iowa) | 295.37 mi (475.34 km) |
| Festus to Cloquet (Minnesota) | 596.93 mi (960.66 km) |
