| Douai to Frederick (Maryland) | 3,814.63 mi (6,139.06 km) |
| Douai to Fredericksburg (Texas) | 5,119.32 mi (8,238.75 km) |
| Douai to Fredericksburg (Virginia) | 3,868.35 mi (6,225.50 km) |
| Douai to Frederickson (Washington) | 4,960.92 mi (7,983.83 km) |
| Douai to Freeport (Illinois) | 4,164.33 mi (6,701.84 km) |
| Douai to Freeport (New York) | 3,604.42 mi (5,800.75 km) |
| Douai to Freeport (Texas) | 5,050.17 mi (8,127.47 km) |
| Douai to Fremont (California) | 5,507.74 mi (8,863.86 km) |
| Douai to Fremont (Nebraska) | 4,457.58 mi (7,173.79 km) |
| Douai to Fremont (Ohio) | 3,957.15 mi (6,368.41 km) |
| Douai to French Valley (California) | 5,585.89 mi (8,989.61 km) |
| Douai to Fresno (California) | 5,486.18 mi (8,829.15 km) |
| Douai to Fresno (Texas) | 5,023.88 mi (8,085.16 km) |
| Douai to Fridley (Minnesota) | 4,165.30 mi (6,703.41 km) |
| Douai to Friendly (Maryland) | 3,826.18 mi (6,157.64 km) |
