| Northport to Jeffersontown (Kentucky) | 360.18 mi (579.65 km) |
| Northport to Jeffersonville (Indiana) | 366.64 mi (590.05 km) |
| Northport to Jenison (Michigan) | 673.48 mi (1,083.86 km) |
| Northport to Jenks (Oklahoma) | 512.13 mi (824.19 km) |
| Northport to Jennings (Missouri) | 405.84 mi (653.13 km) |
| Northport to Jensen Beach (Florida) | 604.23 mi (972.42 km) |
| Northport to Jericho (New York) | 931.95 mi (1,499.82 km) |
| Northport to Jerome (Idaho) | 1,595.80 mi (2,568.19 km) |
| Northport to Jersey City (New Jersey) | 905.66 mi (1,457.51 km) |
| Northport to Jessup (Maryland) | 726.95 mi (1,169.92 km) |
| Northport to Johns Creek (Georgia) | 202.56 mi (325.98 km) |
| Northport to Johnson City (New York) | 881.56 mi (1,418.74 km) |
| Northport to Johnson City (Tennessee) | 364.61 mi (586.79 km) |
| Northport to Johnston (Iowa) | 672.02 mi (1,081.51 km) |
| Northport to Johnstown (Colorado) | 1,074.96 mi (1,729.98 km) |
