| Douai to Fortuna Foothills (Arizona) | 5,550.53 mi (8,932.72 km) |
| Douai to Foster City (California) | 5,514.23 mi (8,874.29 km) |
| Douai to Fostoria (Ohio) | 3,977.58 mi (6,401.29 km) |
| Douai to Fountain (Colorado) | 4,888.91 mi (7,867.94 km) |
| Douai to Fountain Hills (Arizona) | 5,407.84 mi (8,703.08 km) |
| Douai to Fountain Inn (South Carolina) | 4,229.26 mi (6,806.33 km) |
| Douai to Fountain Valley (California) | 5,606.53 mi (9,022.83 km) |
| Douai to Fountainebleau (Florida) | 4,586.56 mi (7,381.36 km) |
| Douai to Four Corners (Oregon) | 5,102.44 mi (8,211.59 km) |
| Douai to Four Corners (Texas) | 5,024.43 mi (8,086.04 km) |
| Douai to Four Square Mile (Colorado) | 4,843.56 mi (7,794.95 km) |
| Douai to Fox Crossing (Wisconsin) | 4,031.45 mi (6,488.00 km) |
| Douai to Fox Lake (Illinois) | 4,103.45 mi (6,603.86 km) |
| Douai to Framingham (Massachusetts) | 3,446.57 mi (5,546.72 km) |
| Douai to Franconia (Virginia) | 3,833.81 mi (6,169.93 km) |
