| Northport to Isabela (Puerto Rico) | 1,630.14 mi (2,623.45 km) |
| Northport to Iselin (New Jersey) | 889.22 mi (1,431.05 km) |
| Northport to Isla Vista (California) | 1,845.48 mi (2,970.01 km) |
| Northport to Issaquah (Washington) | 2,040.33 mi (3,283.60 km) |
| Northport to Ithaca (New York) | 875.57 mi (1,409.09 km) |
| Northport to Ives Estates (Florida) | 672.27 mi (1,081.92 km) |
| Northport to Jackson (Michigan) | 644.71 mi (1,037.56 km) |
| Northport to Jackson (Mississippi) | 165.17 mi (265.82 km) |
| Northport to Jackson (Missouri) | 307.31 mi (494.56 km) |
| Northport to Jackson (Tennessee) | 179.85 mi (289.44 km) |
| Northport to Jackson (Wyoming) | 1,433.13 mi (2,306.40 km) |
| Northport to Jacksonville (Alabama) | 112.84 mi (181.60 km) |
| Northport to Jacksonville (Arkansas) | 282.48 mi (454.60 km) |
| Northport to Jacksonville (Florida) | 402.29 mi (647.42 km) |
| Northport to Jacksonville (Illinois) | 470.31 mi (756.90 km) |
