| Sredets to Frederick (Maryland) | 5,078.92 mi (8,173.74 km) |
| Sredets to Fredericksburg (Texas) | 6,362.25 mi (10,239.06 km) |
| Sredets to Fredericksburg (Virginia) | 5,134.21 mi (8,262.71 km) |
| Sredets to Frederickson (Washington) | 5,982.28 mi (9,627.55 km) |
| Sredets to Freeport (Illinois) | 5,395.03 mi (8,682.47 km) |
| Sredets to Freeport (New York) | 4,870.53 mi (7,838.36 km) |
| Sredets to Freeport (Texas) | 6,305.59 mi (10,147.87 km) |
| Sredets to Fremont (California) | 6,587.18 mi (10,601.05 km) |
| Sredets to Fremont (Nebraska) | 5,668.15 mi (9,122.00 km) |
| Sredets to Fremont (Ohio) | 5,207.92 mi (8,381.34 km) |
| Sredets to French Valley (California) | 6,723.07 mi (10,819.74 km) |
| Sredets to Fresno (California) | 6,587.11 mi (10,600.93 km) |
| Sredets to Fresno (Texas) | 6,277.78 mi (10,103.11 km) |
| Sredets to Fridley (Minnesota) | 5,370.60 mi (8,643.15 km) |
| Sredets to Friendly (Maryland) | 5,091.91 mi (8,194.63 km) |
