| Isperih to Frederick (Maryland) | 5,005.61 mi (8,055.76 km) |
| Isperih to Fredericksburg (Texas) | 6,281.85 mi (10,109.66 km) |
| Isperih to Fredericksburg (Virginia) | 5,061.82 mi (8,146.21 km) |
| Isperih to Frederickson (Washington) | 5,887.30 mi (9,474.70 km) |
| Isperih to Freeport (Illinois) | 5,313.01 mi (8,550.47 km) |
| Isperih to Freeport (New York) | 4,798.39 mi (7,722.27 km) |
| Isperih to Freeport (Texas) | 6,228.30 mi (10,023.47 km) |
| Isperih to Fremont (California) | 6,493.46 mi (10,450.21 km) |
| Isperih to Fremont (Nebraska) | 5,583.27 mi (8,985.41 km) |
| Isperih to Fremont (Ohio) | 5,129.89 mi (8,255.77 km) |
| Isperih to French Valley (California) | 6,631.73 mi (10,672.74 km) |
| Isperih to Fresno (California) | 6,494.16 mi (10,451.34 km) |
| Isperih to Fresno (Texas) | 6,200.05 mi (9,978.01 km) |
| Isperih to Fridley (Minnesota) | 5,285.35 mi (8,505.94 km) |
| Isperih to Friendly (Maryland) | 5,019.44 mi (8,078.00 km) |
