| Festus to Castle Pines (Colorado) | 782.10 mi (1,258.67 km) |
| Festus to Castle Rock (Colorado) | 781.03 mi (1,256.95 km) |
| Festus to Castro Valley (California) | 1,716.13 mi (2,761.84 km) |
| Festus to Catalina Foothills (Arizona) | 1,222.07 mi (1,966.74 km) |
| Festus to Cataño (Puerto Rico) | 1,999.47 mi (3,217.83 km) |
| Festus to Cathedral City (California) | 1,481.83 mi (2,384.78 km) |
| Festus to Catonsville (Maryland) | 739.36 mi (1,189.89 km) |
| Festus to Cave Spring (Virginia) | 572.34 mi (921.09 km) |
| Festus to Cayce (South Carolina) | 600.17 mi (965.88 km) |
| Festus to Cayey (Puerto Rico) | 2,015.29 mi (3,243.29 km) |
| Festus to Cedar City (Utah) | 1,233.44 mi (1,985.03 km) |
| Festus to Cedar Falls (Iowa) | 315.96 mi (508.49 km) |
| Festus to Cedar Hill (Texas) | 536.19 mi (862.92 km) |
| Festus to Cedar Lake (Indiana) | 268.75 mi (432.51 km) |
| Festus to Cedar Mill (Oregon) | 1,728.00 mi (2,780.95 km) |
