| Forfar to Kinston (North Carolina) | 3,667.10 mi (5,901.63 km) |
| Forfar to Kirkland (Washington) | 4,429.94 mi (7,129.30 km) |
| Forfar to Kirksville (Missouri) | 3,953.53 mi (6,362.59 km) |
| Forfar to Kirkwood (Missouri) | 3,963.10 mi (6,378.00 km) |
| Forfar to Kiryas Joel (New York) | 3,235.28 mi (5,206.68 km) |
| Forfar to Kissimmee (Florida) | 4,180.60 mi (6,728.03 km) |
| Forfar to Klamath Falls (Oregon) | 4,741.10 mi (7,630.07 km) |
| Forfar to Knightdale (North Carolina) | 3,674.16 mi (5,912.99 km) |
| Forfar to Knik-Fairview (Alaska) | 4,077.64 mi (6,562.33 km) |
| Forfar to Knoxville (Tennessee) | 3,866.61 mi (6,222.70 km) |
| Forfar to Kokomo (Indiana) | 3,713.75 mi (5,976.70 km) |
| Forfar to Kuna (Idaho) | 4,521.07 mi (7,275.95 km) |
| Forfar to Kyle (Texas) | 4,692.08 mi (7,551.18 km) |
| Forfar to La Cañada Flintridge (California) | 5,114.70 mi (8,231.31 km) |
| Forfar to La Crescenta-Montrose (California) | 5,114.40 mi (8,230.83 km) |
