| Frederick to Kinston (North Carolina) | 287.53 mi (462.73 km) |
| Frederick to Kirkland (Washington) | 2,279.90 mi (3,669.14 km) |
| Frederick to Kirksville (Missouri) | 805.36 mi (1,296.11 km) |
| Frederick to Kirkwood (Missouri) | 700.19 mi (1,126.85 km) |
| Frederick to Kiryas Joel (New York) | 215.79 mi (347.27 km) |
| Frederick to Kissimmee (Florida) | 802.29 mi (1,291.16 km) |
| Frederick to Klamath Falls (Oregon) | 2,301.08 mi (3,703.23 km) |
| Frederick to Knightdale (North Carolina) | 258.55 mi (416.10 km) |
| Frederick to Knik-Fairview (Alaska) | 3,307.48 mi (5,322.88 km) |
| Frederick to Knoxville (Tennessee) | 429.87 mi (691.81 km) |
| Frederick to Kokomo (Indiana) | 466.80 mi (751.24 km) |
| Frederick to Kuna (Idaho) | 2,018.95 mi (3,249.18 km) |
| Frederick to Kyle (Texas) | 1,328.56 mi (2,138.11 km) |
| Frederick to La Cañada Flintridge (California) | 2,265.04 mi (3,645.24 km) |
| Frederick to La Crescenta-Montrose (California) | 2,266.35 mi (3,647.34 km) |
