| Dupnitsa to Frederick (Maryland) | 4,917.55 mi (7,914.03 km) |
| Dupnitsa to Fredericksburg (Texas) | 6,217.08 mi (10,005.42 km) |
| Dupnitsa to Fredericksburg (Virginia) | 4,970.87 mi (7,999.85 km) |
| Dupnitsa to Frederickson (Washington) | 5,911.33 mi (9,513.37 km) |
| Dupnitsa to Freeport (Illinois) | 5,255.61 mi (8,458.09 km) |
| Dupnitsa to Freeport (New York) | 4,706.89 mi (7,575.01 km) |
| Dupnitsa to Freeport (Texas) | 6,152.25 mi (9,901.09 km) |
| Dupnitsa to Fremont (California) | 6,502.46 mi (10,464.69 km) |
| Dupnitsa to Fremont (Nebraska) | 5,537.93 mi (8,912.44 km) |
| Dupnitsa to Fremont (Ohio) | 5,057.47 mi (8,139.21 km) |
| Dupnitsa to French Valley (California) | 6,621.12 mi (10,655.66 km) |
| Dupnitsa to Fresno (California) | 6,496.10 mi (10,454.46 km) |
| Dupnitsa to Fresno (Texas) | 6,125.56 mi (9,858.13 km) |
| Dupnitsa to Fridley (Minnesota) | 5,242.13 mi (8,436.39 km) |
| Dupnitsa to Friendly (Maryland) | 4,928.76 mi (7,932.07 km) |
