| Frederick to Iselin (New Jersey) | 181.72 mi (292.45 km) |
| Frederick to Isla Vista (California) | 2,348.34 mi (3,779.29 km) |
| Frederick to Issaquah (Washington) | 2,272.96 mi (3,657.97 km) |
| Frederick to Ithaca (New York) | 213.37 mi (343.38 km) |
| Frederick to Ives Estates (Florida) | 944.40 mi (1,519.87 km) |
| Frederick to Jackson (Michigan) | 413.54 mi (665.53 km) |
| Frederick to Jackson (Mississippi) | 867.68 mi (1,396.39 km) |
| Frederick to Jackson (Missouri) | 677.07 mi (1,089.63 km) |
| Frederick to Jackson (Tennessee) | 677.37 mi (1,090.12 km) |
| Frederick to Jackson (Wyoming) | 1,738.05 mi (2,797.12 km) |
| Frederick to Jacksonville (Alabama) | 603.63 mi (971.44 km) |
| Frederick to Jacksonville (Arkansas) | 867.98 mi (1,396.89 km) |
| Frederick to Jacksonville (Florida) | 673.40 mi (1,083.73 km) |
| Frederick to Jacksonville (Illinois) | 682.28 mi (1,098.03 km) |
| Frederick to Jacksonville (North Carolina) | 325.07 mi (523.15 km) |
