| Johnston to Kinston (North Carolina) | 976.38 mi (1,571.33 km) |
| Johnston to Kirkland (Washington) | 1,449.87 mi (2,333.34 km) |
| Johnston to Kirksville (Missouri) | 119.26 mi (191.93 km) |
| Johnston to Kirkwood (Missouri) | 276.87 mi (445.58 km) |
| Johnston to Kiryas Joel (New York) | 1,009.88 mi (1,625.24 km) |
| Johnston to Kissimmee (Florida) | 1,155.25 mi (1,859.20 km) |
| Johnston to Klamath Falls (Oregon) | 1,435.31 mi (2,309.92 km) |
| Johnston to Knightdale (North Carolina) | 914.47 mi (1,471.69 km) |
| Johnston to Knik-Fairview (Alaska) | 2,649.57 mi (4,264.07 km) |
| Johnston to Knoxville (Tennessee) | 657.34 mi (1,057.89 km) |
| Johnston to Kokomo (Indiana) | 404.45 mi (650.90 km) |
| Johnston to Kuna (Idaho) | 1,156.22 mi (1,860.75 km) |
| Johnston to Kyle (Texas) | 840.89 mi (1,353.28 km) |
| Johnston to La Cañada Flintridge (California) | 1,424.13 mi (2,291.91 km) |
| Johnston to La Crescenta-Montrose (California) | 1,425.15 mi (2,293.55 km) |
