| Festus to Joliet (Illinois) | 257.52 mi (414.44 km) |
| Festus to Jonesboro (Arkansas) | 166.36 mi (267.74 km) |
| Festus to Joplin (Missouri) | 237.38 mi (382.02 km) |
| Festus to Joppatowne (Maryland) | 760.52 mi (1,223.94 km) |
| Festus to Juana Díaz (Puerto Rico) | 2,003.71 mi (3,224.66 km) |
| Festus to Junction City (Kansas) | 352.07 mi (566.60 km) |
| Festus to Juneau (Alaska) | 2,383.95 mi (3,836.59 km) |
| Festus to Jupiter (Florida) | 982.91 mi (1,581.84 km) |
| Festus to Jupiter Farms (Florida) | 979.06 mi (1,575.65 km) |
| Festus to Jurupa Valley (California) | 1,532.66 mi (2,466.58 km) |
| Festus to Justice (Illinois) | 279.39 mi (449.63 km) |
| Festus to Kahului (Hawaii) | 4,060.92 mi (6,535.42 km) |
| Festus to Kailua (Hawaii) | 4,110.74 mi (6,615.60 km) |
| Festus to Kalamazoo (Michigan) | 378.24 mi (608.72 km) |
| Festus to Kalispell (Montana) | 1,379.85 mi (2,220.66 km) |
