| Hackettstown to Fortuna (California) | 2,547.29 mi (4,099.47 km) |
| Hackettstown to Fortuna Foothills (Arizona) | 2,242.05 mi (3,608.23 km) |
| Hackettstown to Foster City (California) | 2,519.10 mi (4,054.10 km) |
| Hackettstown to Fostoria (Ohio) | 448.01 mi (721.00 km) |
| Hackettstown to Fountain (Colorado) | 1,584.91 mi (2,550.67 km) |
| Hackettstown to Fountain Hills (Arizona) | 2,075.13 mi (3,339.61 km) |
| Hackettstown to Fountain Inn (South Carolina) | 585.28 mi (941.91 km) |
| Hackettstown to Fountain Valley (California) | 2,396.70 mi (3,857.12 km) |
| Hackettstown to Fountainebleau (Florida) | 1,089.07 mi (1,752.69 km) |
| Hackettstown to Four Corners (Oregon) | 2,417.49 mi (3,890.57 km) |
| Hackettstown to Four Corners (Texas) | 1,400.87 mi (2,254.48 km) |
| Hackettstown to Four Square Mile (Colorado) | 1,579.19 mi (2,541.46 km) |
| Hackettstown to Fox Crossing (Wisconsin) | 731.84 mi (1,177.79 km) |
| Hackettstown to Fox Lake (Illinois) | 697.52 mi (1,122.55 km) |
| Hackettstown to Framingham (Massachusetts) | 201.91 mi (324.94 km) |
