| Festus to Camarillo (California) | 1,612.51 mi (2,595.09 km) |
| Festus to Camas (Washington) | 1,710.63 mi (2,752.99 km) |
| Festus to Cambridge (Maryland) | 775.70 mi (1,248.38 km) |
| Festus to Cambridge (Massachusetts) | 1,053.75 mi (1,695.85 km) |
| Festus to Camden (Arkansas) | 349.14 mi (561.89 km) |
| Festus to Camden (New Jersey) | 828.24 mi (1,332.92 km) |
| Festus to Cameron Park (California) | 1,647.21 mi (2,650.93 km) |
| Festus to Camp Pendleton South (California) | 1,546.33 mi (2,488.58 km) |
| Festus to Camp Springs (Maryland) | 729.77 mi (1,174.45 km) |
| Festus to Camp Verde (Arizona) | 1,216.21 mi (1,957.30 km) |
| Festus to Campbell (California) | 1,716.18 mi (2,761.92 km) |
| Festus to Campbellsville (Kentucky) | 282.74 mi (455.02 km) |
| Festus to Campton Hills (Illinois) | 278.43 mi (448.08 km) |
| Festus to Canby (Oregon) | 1,720.81 mi (2,769.37 km) |
| Festus to Candelaria (Puerto Rico) | 1,997.97 mi (3,215.42 km) |
