| Northport to Fortuna (California) | 2,065.12 mi (3,323.48 km) |
| Northport to Fortuna Foothills (Arizona) | 1,549.84 mi (2,494.22 km) |
| Northport to Foster City (California) | 1,963.43 mi (3,159.84 km) |
| Northport to Fostoria (Ohio) | 592.36 mi (953.32 km) |
| Northport to Fountain (Colorado) | 1,024.28 mi (1,648.43 km) |
| Northport to Fountain Hills (Arizona) | 1,389.00 mi (2,235.37 km) |
| Northport to Fountain Inn (South Carolina) | 324.89 mi (522.86 km) |
| Northport to Fountain Valley (California) | 1,743.00 mi (2,805.09 km) |
| Northport to Fountainebleau (Florida) | 676.13 mi (1,088.13 km) |
| Northport to Four Corners (Oregon) | 2,040.82 mi (3,284.38 km) |
| Northport to Four Corners (Texas) | 535.59 mi (861.94 km) |
| Northport to Four Square Mile (Colorado) | 1,055.76 mi (1,699.08 km) |
| Northport to Fox Crossing (Wisconsin) | 759.01 mi (1,221.51 km) |
| Northport to Fox Lake (Illinois) | 634.06 mi (1,020.42 km) |
| Northport to Framingham (Massachusetts) | 1,078.63 mi (1,735.88 km) |
