| Naperville to Forli | 4,719.36 mi (7,595.08 km) |
| Naperville to Forlimpopoli | 4,724.74 mi (7,603.74 km) |
| Naperville to Formello | 4,825.11 mi (7,765.26 km) |
| Naperville to Formia | 4,909.42 mi (7,900.94 km) |
| Naperville to Formigine | 4,659.91 mi (7,499.39 km) |
| Naperville to Fossano | 4,535.27 mi (7,298.81 km) |
| Naperville to Fossombrone | 4,772.10 mi (7,679.96 km) |
| Naperville to Francavilla al Mare | 4,886.06 mi (7,863.36 km) |
| Naperville to Francavilla Fontana | 5,099.78 mi (8,207.31 km) |
| Naperville to Francofonte | 5,141.19 mi (8,273.94 km) |
| Naperville to Frascati | 4,847.99 mi (7,802.09 km) |
| Naperville to Frattamaggiore | 4,950.84 mi (7,967.60 km) |
| Naperville to Frattaminore | 4,949.43 mi (7,965.34 km) |
| Naperville to Frosinone | 4,882.68 mi (7,857.91 km) |
| Naperville to Fucecchio | 4,691.15 mi (7,549.67 km) |
