| Northport to Kennewick (Washington) | 1,883.58 mi (3,031.32 km) |
| Northport to Kenosha (Wisconsin) | 644.67 mi (1,037.50 km) |
| Northport to Kent (Ohio) | 643.83 mi (1,036.15 km) |
| Northport to Kent (Washington) | 2,044.79 mi (3,290.78 km) |
| Northport to Kentwood (Michigan) | 673.97 mi (1,084.65 km) |
| Northport to Kerman (California) | 1,844.21 mi (2,967.96 km) |
| Northport to Kernersville (North Carolina) | 469.95 mi (756.32 km) |
| Northport to Kerrville (Texas) | 713.37 mi (1,148.06 km) |
| Northport to Kettering (Maryland) | 717.40 mi (1,154.54 km) |
| Northport to Kettering (Ohio) | 484.19 mi (779.22 km) |
| Northport to Kewanee (Illinois) | 566.05 mi (910.97 km) |
| Northport to Key Biscayne (Florida) | 687.55 mi (1,106.50 km) |
| Northport to Key Largo (Florida) | 709.43 mi (1,141.72 km) |
| Northport to Key West (Florida) | 695.97 mi (1,120.06 km) |
| Northport to Keystone (Florida) | 462.17 mi (743.78 km) |
