| Frederick to Jacksonville (Texas) | 1,123.75 mi (1,808.50 km) |
| Frederick to Jacksonville Beach (Florida) | 671.62 mi (1,080.87 km) |
| Frederick to James Island (South Carolina) | 483.76 mi (778.53 km) |
| Frederick to Jamestown (New York) | 207.29 mi (333.60 km) |
| Frederick to Jamestown (North Dakota) | 1,185.02 mi (1,907.11 km) |
| Frederick to Janesville (Wisconsin) | 644.05 mi (1,036.50 km) |
| Frederick to Jasmine Estates (Florida) | 826.72 mi (1,330.47 km) |
| Frederick to Jasper (Alabama) | 668.22 mi (1,075.40 km) |
| Frederick to Jasper (Indiana) | 516.90 mi (831.88 km) |
| Frederick to Jefferson (Georgia) | 500.90 mi (806.12 km) |
| Frederick to Jefferson (Louisiana) | 973.98 mi (1,567.47 km) |
| Frederick to Jefferson City (Missouri) | 794.00 mi (1,277.82 km) |
| Frederick to Jefferson Hills (Pennsylvania) | 146.16 mi (235.23 km) |
| Frederick to Jefferson Valley-Yorktown (New York) | 230.45 mi (370.87 km) |
| Frederick to Jeffersontown (Kentucky) | 447.02 mi (719.41 km) |
