| Niagara Falls to Forli | 4,295.54 mi (6,913.01 km) |
| Niagara Falls to Forlimpopoli | 4,300.90 mi (6,921.63 km) |
| Niagara Falls to Formello | 4,394.98 mi (7,073.04 km) |
| Niagara Falls to Formia | 4,478.92 mi (7,208.12 km) |
| Niagara Falls to Formigine | 4,235.41 mi (6,816.24 km) |
| Niagara Falls to Fossano | 4,105.30 mi (6,606.85 km) |
| Niagara Falls to Fossombrone | 4,347.86 mi (6,997.20 km) |
| Niagara Falls to Francavilla al Mare | 4,460.34 mi (7,178.22 km) |
| Niagara Falls to Francavilla Fontana | 4,674.37 mi (7,522.67 km) |
| Niagara Falls to Francofonte | 4,701.63 mi (7,566.54 km) |
| Niagara Falls to Frascati | 4,417.53 mi (7,109.33 km) |
| Niagara Falls to Frattamaggiore | 4,520.52 mi (7,275.07 km) |
| Niagara Falls to Frattaminore | 4,519.14 mi (7,272.85 km) |
| Niagara Falls to Frosinone | 4,452.82 mi (7,166.13 km) |
| Niagara Falls to Fucecchio | 4,263.52 mi (6,861.47 km) |
