| Ronkonkoma to Fortuna (California) | 2,633.50 mi (4,238.21 km) |
| Ronkonkoma to Fortuna Foothills (Arizona) | 2,330.89 mi (3,751.21 km) |
| Ronkonkoma to Foster City (California) | 2,607.03 mi (4,195.62 km) |
| Ronkonkoma to Fostoria (Ohio) | 536.84 mi (863.97 km) |
| Ronkonkoma to Fountain (Colorado) | 1,673.82 mi (2,693.75 km) |
| Ronkonkoma to Fountain Hills (Arizona) | 2,163.96 mi (3,482.56 km) |
| Ronkonkoma to Fountain Inn (South Carolina) | 650.31 mi (1,046.58 km) |
| Ronkonkoma to Fountain Valley (California) | 2,485.70 mi (4,000.34 km) |
| Ronkonkoma to Fountainebleau (Florida) | 1,118.13 mi (1,799.46 km) |
| Ronkonkoma to Four Corners (Oregon) | 2,500.51 mi (4,024.19 km) |
| Ronkonkoma to Four Corners (Texas) | 1,479.61 mi (2,381.21 km) |
| Ronkonkoma to Four Square Mile (Colorado) | 1,667.83 mi (2,684.11 km) |
| Ronkonkoma to Fox Crossing (Wisconsin) | 815.36 mi (1,312.19 km) |
| Ronkonkoma to Fox Lake (Illinois) | 784.89 mi (1,263.15 km) |
| Ronkonkoma to Framingham (Massachusetts) | 135.73 mi (218.44 km) |
