| Festus to Kaneohe (Hawaii) | 4,112.96 mi (6,619.17 km) |
| Festus to Kankakee (Illinois) | 240.80 mi (387.53 km) |
| Festus to Kannapolis (North Carolina) | 572.06 mi (920.64 km) |
| Festus to Kansas City (Kansas) | 242.00 mi (389.46 km) |
| Festus to Kansas City (Missouri) | 232.11 mi (373.54 km) |
| Festus to Kapaa (Hawaii) | 4,171.90 mi (6,714.03 km) |
| Festus to Kapolei (Hawaii) | 4,130.45 mi (6,647.31 km) |
| Festus to Katy (Texas) | 659.78 mi (1,061.81 km) |
| Festus to Kaukauna (Wisconsin) | 433.10 mi (697.01 km) |
| Festus to Kaysville (Utah) | 1,159.36 mi (1,865.81 km) |
| Festus to Kearney (Missouri) | 226.73 mi (364.88 km) |
| Festus to Kearney (Nebraska) | 493.17 mi (793.68 km) |
| Festus to Kearns (Utah) | 1,161.82 mi (1,869.77 km) |
| Festus to Kearny (New Jersey) | 884.72 mi (1,423.82 km) |
| Festus to Keene (New Hampshire) | 1,002.49 mi (1,613.36 km) |
