| Niagara Falls to Floha | 4,085.63 mi (6,575.19 km) |
| Niagara Falls to Florsheim | 3,939.62 mi (6,340.21 km) |
| Niagara Falls to Florstadt | 3,945.95 mi (6,350.39 km) |
| Niagara Falls to Forchheim | 4,050.83 mi (6,519.18 km) |
| Niagara Falls to Foritz | 4,035.32 mi (6,494.21 km) |
| Niagara Falls to Forst (Lausitz) | 4,110.73 mi (6,615.58 km) |
| Niagara Falls to Frankenberg | 4,082.39 mi (6,569.96 km) |
| Niagara Falls to Frankenberg | 3,918.20 mi (6,305.73 km) |
| Niagara Falls to Frankenthal | 3,952.94 mi (6,361.64 km) |
| Niagara Falls to Frankfurt | 3,946.01 mi (6,350.50 km) |
| Niagara Falls to Frankfurt (Oder) | 4,085.47 mi (6,574.93 km) |
| Niagara Falls to Frechen | 3,847.35 mi (6,191.71 km) |
| Niagara Falls to Freiberg | 4,093.64 mi (6,588.07 km) |
| Niagara Falls to Freiberg am Neckar | 4,006.94 mi (6,448.54 km) |
| Niagara Falls to Freiburg im Breisgau | 3,986.53 mi (6,415.70 km) |
