| Ronkonkoma to Frederick (Colorado) | 1,665.66 mi (2,680.62 km) |
| Ronkonkoma to Frederick (Maryland) | 245.58 mi (395.22 km) |
| Ronkonkoma to Fredericksburg (Texas) | 1,612.23 mi (2,594.63 km) |
| Ronkonkoma to Fredericksburg (Virginia) | 289.70 mi (466.22 km) |
| Ronkonkoma to Frederickson (Washington) | 2,445.89 mi (3,936.28 km) |
| Ronkonkoma to Freeport (Illinois) | 858.52 mi (1,381.65 km) |
| Ronkonkoma to Freeport (New York) | 26.30 mi (42.33 km) |
| Ronkonkoma to Freeport (Texas) | 1,496.46 mi (2,408.31 km) |
| Ronkonkoma to Fremont (California) | 2,593.30 mi (4,173.52 km) |
| Ronkonkoma to Fremont (Nebraska) | 1,213.11 mi (1,952.31 km) |
| Ronkonkoma to Fremont (Ohio) | 521.41 mi (839.13 km) |
| Ronkonkoma to French Valley (California) | 2,444.79 mi (3,934.51 km) |
| Ronkonkoma to Fresno (California) | 2,498.88 mi (4,021.56 km) |
| Ronkonkoma to Fresno (Texas) | 1,476.25 mi (2,375.80 km) |
| Ronkonkoma to Fridley (Minnesota) | 1,057.28 mi (1,701.53 km) |
