| Northport to Port Chester (New York) | 933.74 mi (1,502.71 km) |
| Northport to Port Hueneme (California) | 1,810.27 mi (2,913.35 km) |
| Northport to Port Huron (Michigan) | 727.65 mi (1,171.05 km) |
| Northport to Port Lavaca (Texas) | 623.38 mi (1,003.23 km) |
| Northport to Port Neches (Texas) | 436.74 mi (702.87 km) |
| Northport to Port Orange (Florida) | 483.30 mi (777.79 km) |
| Northport to Port Orchard (Washington) | 2,067.34 mi (3,327.07 km) |
| Northport to Port Royal (South Carolina) | 405.24 mi (652.18 km) |
| Northport to Port Salerno (Florida) | 611.32 mi (983.82 km) |
| Northport to Port St. John (Florida) | 520.65 mi (837.90 km) |
| Northport to Port St. Lucie (Florida) | 596.17 mi (959.44 km) |
| Northport to Port Washington (New York) | 927.16 mi (1,492.12 km) |
| Northport to Port Washington (Wisconsin) | 699.81 mi (1,126.23 km) |
| Northport to Port Wentworth (Georgia) | 379.13 mi (610.16 km) |
| Northport to Portage (Indiana) | 575.80 mi (926.66 km) |
