| East Islip to Frederick (Maryland) | 240.61 mi (387.23 km) |
| East Islip to Fredericksburg (Texas) | 1,607.42 mi (2,586.89 km) |
| East Islip to Fredericksburg (Virginia) | 283.93 mi (456.95 km) |
| East Islip to Frederickson (Washington) | 2,445.45 mi (3,935.57 km) |
| East Islip to Freeport (Illinois) | 856.50 mi (1,378.40 km) |
| East Islip to Freeport (New York) | 21.48 mi (34.56 km) |
| East Islip to Freeport (Texas) | 1,491.15 mi (2,399.78 km) |
| East Islip to Fremont (California) | 2,591.17 mi (4,170.09 km) |
| East Islip to Fremont (Nebraska) | 1,210.82 mi (1,948.63 km) |
| East Islip to Fremont (Ohio) | 518.91 mi (835.10 km) |
| East Islip to French Valley (California) | 2,441.79 mi (3,929.69 km) |
| East Islip to Fresno (California) | 2,496.53 mi (4,017.77 km) |
| East Islip to Fresno (Texas) | 1,471.04 mi (2,367.41 km) |
| East Islip to Fridley (Minnesota) | 1,056.40 mi (1,700.11 km) |
| East Islip to Friendly (Maryland) | 242.28 mi (389.91 km) |
