| Festus to Cibolo (Texas) | 746.27 mi (1,201.01 km) |
| Festus to Cicero (Illinois) | 287.01 mi (461.90 km) |
| Festus to Cimarron Hills (Colorado) | 772.74 mi (1,243.61 km) |
| Festus to Cincinnati (Ohio) | 324.67 mi (522.51 km) |
| Festus to Cinco Ranch (Texas) | 660.95 mi (1,063.69 km) |
| Festus to Circleville (Ohio) | 413.07 mi (664.76 km) |
| Festus to Citrus (California) | 1,552.82 mi (2,499.02 km) |
| Festus to Citrus Heights (California) | 1,663.04 mi (2,676.40 km) |
| Festus to Citrus Park (Florida) | 834.39 mi (1,342.82 km) |
| Festus to Claiborne (Louisiana) | 405.25 mi (652.19 km) |
| Festus to Claremont (California) | 1,543.17 mi (2,483.50 km) |
| Festus to Claremont (New Hampshire) | 1,007.73 mi (1,621.78 km) |
| Festus to Claremore (Oklahoma) | 314.69 mi (506.44 km) |
| Festus to Clarksburg (Maryland) | 711.29 mi (1,144.71 km) |
| Festus to Clarksburg (West Virginia) | 548.17 mi (882.19 km) |
