| Northport to Security-Widefield (Colorado) | 1,027.07 mi (1,652.92 km) |
| Northport to Sedalia (Missouri) | 490.60 mi (789.54 km) |
| Northport to Sedro-Woolley (Washington) | 2,068.09 mi (3,328.27 km) |
| Northport to Seguin (Texas) | 661.39 mi (1,064.40 km) |
| Northport to Selden (New York) | 957.38 mi (1,540.76 km) |
| Northport to Selma (Alabama) | 66.81 mi (107.51 km) |
| Northport to Selma (California) | 1,819.80 mi (2,928.69 km) |
| Northport to Selma (Texas) | 680.30 mi (1,094.83 km) |
| Northport to Seminole (Florida) | 471.11 mi (758.17 km) |
| Northport to Seven Hills (Ohio) | 648.38 mi (1,043.46 km) |
| Northport to Seven Oaks (South Carolina) | 375.21 mi (603.84 km) |
| Northport to Severn (Maryland) | 730.25 mi (1,175.22 km) |
| Northport to Severna Park (Maryland) | 734.45 mi (1,181.99 km) |
| Northport to Sevierville (Tennessee) | 292.51 mi (470.75 km) |
| Northport to Seymour (Indiana) | 404.45 mi (650.90 km) |
