| Niagara Falls to Fisciano | 4,549.03 mi (7,320.96 km) |
| Niagara Falls to Fiuggi | 4,440.49 mi (7,146.28 km) |
| Niagara Falls to Fiume Veneto | 4,257.21 mi (6,851.32 km) |
| Niagara Falls to Fiumefreddo di Sicilia | 4,691.05 mi (7,549.52 km) |
| Niagara Falls to Fiumicino | 4,400.68 mi (7,082.22 km) |
| Niagara Falls to Flero | 4,171.24 mi (6,712.96 km) |
| Niagara Falls to Florence | 4,280.82 mi (6,889.31 km) |
| Niagara Falls to Floridia | 4,719.58 mi (7,595.43 km) |
| Niagara Falls to Foggia | 4,550.99 mi (7,324.12 km) |
| Niagara Falls to Foiano della Chiana | 4,324.43 mi (6,959.50 km) |
| Niagara Falls to Folignano | 4,416.67 mi (7,107.94 km) |
| Niagara Falls to Foligno | 4,372.84 mi (7,037.40 km) |
| Niagara Falls to Follonica | 4,293.49 mi (6,909.71 km) |
| Niagara Falls to Fondi | 4,467.14 mi (7,189.17 km) |
| Niagara Falls to Fontanafredda | 4,249.28 mi (6,838.55 km) |
