| Leczna to Frederick (Maryland) | 4,548.64 mi (7,320.33 km) |
| Leczna to Fredericksburg (Texas) | 5,785.57 mi (9,310.98 km) |
| Leczna to Fredericksburg (Virginia) | 4,609.34 mi (7,418.01 km) |
| Leczna to Frederickson (Washington) | 5,332.63 mi (8,582.04 km) |
| Leczna to Freeport (Illinois) | 4,811.34 mi (7,743.10 km) |
| Leczna to Freeport (New York) | 4,348.49 mi (6,998.22 km) |
| Leczna to Freeport (Texas) | 5,747.01 mi (9,248.93 km) |
| Leczna to Fremont (California) | 5,941.64 mi (9,562.14 km) |
| Leczna to Fremont (Nebraska) | 5,067.57 mi (8,155.47 km) |
| Leczna to Fremont (Ohio) | 4,648.37 mi (7,480.82 km) |
| Leczna to French Valley (California) | 6,087.73 mi (9,797.26 km) |
| Leczna to Fresno (California) | 5,944.68 mi (9,567.03 km) |
| Leczna to Fresno (Texas) | 5,716.73 mi (9,200.20 km) |
| Leczna to Fridley (Minnesota) | 4,768.39 mi (7,673.98 km) |
| Leczna to Friendly (Maryland) | 4,566.76 mi (7,349.48 km) |
