| Fort Thomas to Iselin (New Jersey) | 547.21 mi (880.66 km) |
| Fort Thomas to Isla Vista (California) | 1,974.04 mi (3,176.91 km) |
| Fort Thomas to Issaquah (Washington) | 1,956.86 mi (3,149.26 km) |
| Fort Thomas to Ithaca (New York) | 476.22 mi (766.40 km) |
| Fort Thomas to Ives Estates (Florida) | 939.47 mi (1,511.93 km) |
| Fort Thomas to Jackson (Michigan) | 218.56 mi (351.73 km) |
| Fort Thomas to Jackson (Mississippi) | 567.96 mi (914.05 km) |
| Fort Thomas to Jackson (Missouri) | 305.68 mi (491.94 km) |
| Fort Thomas to Jackson (Tennessee) | 337.53 mi (543.21 km) |
| Fort Thomas to Jackson (Wyoming) | 1,393.88 mi (2,243.23 km) |
| Fort Thomas to Jacksonville (Alabama) | 371.33 mi (597.59 km) |
| Fort Thomas to Jacksonville (Arkansas) | 513.32 mi (826.10 km) |
| Fort Thomas to Jacksonville (Florida) | 624.57 mi (1,005.14 km) |
| Fort Thomas to Jacksonville (Illinois) | 311.76 mi (501.73 km) |
| Fort Thomas to Jacksonville (North Carolina) | 492.10 mi (791.97 km) |
