| Fort Thomas to Joliet (Illinois) | 257.57 mi (414.52 km) |
| Fort Thomas to Jonesboro (Arkansas) | 408.96 mi (658.15 km) |
| Fort Thomas to Joplin (Missouri) | 563.54 mi (906.93 km) |
| Fort Thomas to Joppatowne (Maryland) | 433.89 mi (698.28 km) |
| Fort Thomas to Juana Díaz (Puerto Rico) | 1,808.09 mi (2,909.84 km) |
| Fort Thomas to Junction City (Kansas) | 664.76 mi (1,069.82 km) |
| Fort Thomas to Juneau (Alaska) | 2,548.75 mi (4,101.82 km) |
| Fort Thomas to Jupiter (Florida) | 876.68 mi (1,410.89 km) |
| Fort Thomas to Jupiter Farms (Florida) | 874.81 mi (1,407.87 km) |
| Fort Thomas to Jurupa Valley (California) | 1,855.65 mi (2,986.38 km) |
| Fort Thomas to Justice (Illinois) | 256.24 mi (412.39 km) |
| Fort Thomas to Kahului (Hawaii) | 4,376.64 mi (7,043.53 km) |
| Fort Thomas to Kailua (Hawaii) | 4,424.55 mi (7,120.62 km) |
| Fort Thomas to Kalamazoo (Michigan) | 228.62 mi (367.93 km) |
| Fort Thomas to Kalispell (Montana) | 1,608.55 mi (2,588.72 km) |
