| Niagara Falls to Ferentino | 4,446.62 mi (7,156.14 km) |
| Niagara Falls to Fermo | 4,406.20 mi (7,091.10 km) |
| Niagara Falls to Ferrandina | 4,628.94 mi (7,449.56 km) |
| Niagara Falls to Ferrara | 4,254.63 mi (6,847.16 km) |
| Niagara Falls to Fiano Romano | 4,399.99 mi (7,081.10 km) |
| Niagara Falls to Ficarazzi | 4,604.41 mi (7,410.08 km) |
| Niagara Falls to Fidenza | 4,190.03 mi (6,743.20 km) |
| Niagara Falls to Fiesole | 4,280.99 mi (6,889.58 km) |
| Niagara Falls to Figline Valdarno | 4,295.61 mi (6,913.12 km) |
| Niagara Falls to Filottrano | 4,380.30 mi (7,049.41 km) |
| Niagara Falls to Finale Emilia | 4,241.05 mi (6,825.31 km) |
| Niagara Falls to Finale Ligure | 4,144.80 mi (6,670.42 km) |
| Niagara Falls to Fino Mornasco | 4,114.83 mi (6,622.18 km) |
| Niagara Falls to Fiorano Modenese | 4,233.46 mi (6,813.10 km) |
| Niagara Falls to Fiorenzuola d'Arda | 4,180.68 mi (6,728.16 km) |
