| Northport to Kingsville (Texas) | 728.69 mi (1,172.72 km) |
| Northport to Kinston (North Carolina) | 587.76 mi (945.90 km) |
| Northport to Kirkland (Washington) | 2,050.40 mi (3,299.80 km) |
| Northport to Kirksville (Missouri) | 552.80 mi (889.65 km) |
| Northport to Kirkwood (Missouri) | 399.99 mi (643.72 km) |
| Northport to Kiryas Joel (New York) | 923.86 mi (1,486.81 km) |
| Northport to Kissimmee (Florida) | 501.65 mi (807.33 km) |
| Northport to Klamath Falls (Oregon) | 1,952.18 mi (3,141.73 km) |
| Northport to Knightdale (North Carolina) | 546.65 mi (879.75 km) |
| Northport to Knik-Fairview (Alaska) | 3,316.60 mi (5,337.54 km) |
| Northport to Knoxville (Tennessee) | 279.50 mi (449.82 km) |
| Northport to Kokomo (Indiana) | 504.42 mi (811.79 km) |
| Northport to Kuna (Idaho) | 1,701.06 mi (2,737.59 km) |
| Northport to Kyle (Texas) | 645.46 mi (1,038.77 km) |
| Northport to La Cañada Flintridge (California) | 1,752.93 mi (2,821.07 km) |
