| Duchcov to Friendswood (Texas) | 5,415.83 mi (8,715.94 km) |
| Duchcov to Frisco (Texas) | 5,275.33 mi (8,489.82 km) |
| Duchcov to Front Royal (Virginia) | 4,286.27 mi (6,898.08 km) |
| Duchcov to Fruit Cove (Florida) | 4,861.06 mi (7,823.11 km) |
| Duchcov to Fruita (Colorado) | 5,325.36 mi (8,570.34 km) |
| Duchcov to Fruitville (Florida) | 5,037.66 mi (8,107.34 km) |
| Duchcov to Fuller Heights (Florida) | 4,988.32 mi (8,027.92 km) |
| Duchcov to Fullerton (California) | 5,899.34 mi (9,494.07 km) |
| Duchcov to Fullerton (Pennsylvania) | 4,101.14 mi (6,600.15 km) |
| Duchcov to Fulshear (Texas) | 5,430.94 mi (8,740.25 km) |
| Duchcov to Fulton (Missouri) | 4,798.29 mi (7,722.10 km) |
| Duchcov to Fulton (New York) | 4,012.46 mi (6,457.43 km) |
| Duchcov to Fuquay-Varina (North Carolina) | 4,471.60 mi (7,196.34 km) |
| Duchcov to Gadsden (Alabama) | 4,832.32 mi (7,776.86 km) |
| Duchcov to Gaffney (South Carolina) | 4,610.14 mi (7,419.30 km) |
