| Horsforth to Kinston (North Carolina) | 3,753.52 mi (6,040.71 km) |
| Horsforth to Kirkland (Washington) | 4,610.19 mi (7,419.38 km) |
| Horsforth to Kirksville (Missouri) | 4,082.42 mi (6,570.02 km) |
| Horsforth to Kirkwood (Missouri) | 4,084.56 mi (6,573.46 km) |
| Horsforth to Kiryas Joel (New York) | 3,331.38 mi (5,361.34 km) |
| Horsforth to Kissimmee (Florida) | 4,258.79 mi (6,853.86 km) |
| Horsforth to Klamath Falls (Oregon) | 4,915.80 mi (7,911.22 km) |
| Horsforth to Knightdale (North Carolina) | 3,764.03 mi (6,057.62 km) |
| Horsforth to Knik-Fairview (Alaska) | 4,277.42 mi (6,883.84 km) |
| Horsforth to Knoxville (Tennessee) | 3,968.98 mi (6,387.46 km) |
| Horsforth to Kokomo (Indiana) | 3,831.40 mi (6,166.04 km) |
| Horsforth to Kuna (Idaho) | 4,690.78 mi (7,549.08 km) |
| Horsforth to Kyle (Texas) | 4,811.23 mi (7,742.93 km) |
| Horsforth to La Cañada Flintridge (California) | 5,276.33 mi (8,491.44 km) |
| Horsforth to La Crescenta-Montrose (California) | 5,276.12 mi (8,491.09 km) |
