| Portchester to Kinston (North Carolina) | 3,825.24 mi (6,156.13 km) |
| Portchester to Kirkland (Washington) | 4,785.73 mi (7,701.89 km) |
| Portchester to Kirksville (Missouri) | 4,199.19 mi (6,757.95 km) |
| Portchester to Kirkwood (Missouri) | 4,193.13 mi (6,748.20 km) |
| Portchester to Kiryas Joel (New York) | 3,415.00 mi (5,495.91 km) |
| Portchester to Kissimmee (Florida) | 4,320.05 mi (6,952.44 km) |
| Portchester to Klamath Falls (Oregon) | 5,084.15 mi (8,182.14 km) |
| Portchester to Knightdale (North Carolina) | 3,839.40 mi (6,178.92 km) |
| Portchester to Knik-Fairview (Alaska) | 4,482.22 mi (7,213.44 km) |
| Portchester to Knoxville (Tennessee) | 4,057.13 mi (6,529.32 km) |
| Portchester to Kokomo (Indiana) | 3,936.50 mi (6,335.19 km) |
| Portchester to Kuna (Idaho) | 4,853.28 mi (7,810.59 km) |
| Portchester to Kyle (Texas) | 4,915.54 mi (7,910.80 km) |
| Portchester to La Cañada Flintridge (California) | 5,428.45 mi (8,736.24 km) |
| Portchester to La Crescenta-Montrose (California) | 5,428.32 mi (8,736.04 km) |
