| West Islip to Fisciano | 4,393.05 mi (7,069.93 km) |
| West Islip to Fiuggi | 4,285.62 mi (6,897.04 km) |
| West Islip to Fiume Veneto | 4,122.21 mi (6,634.06 km) |
| West Islip to Fiumefreddo di Sicilia | 4,522.37 mi (7,278.06 km) |
| West Islip to Fiumicino | 4,243.29 mi (6,828.91 km) |
| West Islip to Flero | 4,028.18 mi (6,482.74 km) |
| West Islip to Florence | 4,131.21 mi (6,648.54 km) |
| West Islip to Floridia | 4,547.57 mi (7,318.61 km) |
| West Islip to Foggia | 4,400.19 mi (7,081.42 km) |
| West Islip to Foiano della Chiana | 4,173.46 mi (6,716.54 km) |
| West Islip to Folignano | 4,267.80 mi (6,868.36 km) |
| West Islip to Foligno | 4,222.42 mi (6,795.33 km) |
| West Islip to Follonica | 4,138.40 mi (6,660.11 km) |
| West Islip to Fondi | 4,310.56 mi (6,937.18 km) |
| West Islip to Fontanafredda | 4,114.09 mi (6,620.98 km) |
