| Willebroek to Fortuna Foothills (Arizona) | 5,561.31 mi (8,950.06 km) |
| Willebroek to Foster City (California) | 5,514.47 mi (8,874.69 km) |
| Willebroek to Fostoria (Ohio) | 4,005.60 mi (6,446.38 km) |
| Willebroek to Fountain (Colorado) | 4,903.21 mi (7,890.95 km) |
| Willebroek to Fountain Hills (Arizona) | 5,420.27 mi (8,723.09 km) |
| Willebroek to Fountain Inn (South Carolina) | 4,264.56 mi (6,863.15 km) |
| Willebroek to Fountain Valley (California) | 5,613.33 mi (9,033.78 km) |
| Willebroek to Fountainebleau (Florida) | 4,630.82 mi (7,452.59 km) |
| Willebroek to Four Corners (Oregon) | 5,096.96 mi (8,202.77 km) |
| Willebroek to Four Corners (Texas) | 5,053.64 mi (8,133.05 km) |
| Willebroek to Four Square Mile (Colorado) | 4,856.84 mi (7,816.33 km) |
| Willebroek to Fox Crossing (Wisconsin) | 4,052.65 mi (6,522.10 km) |
| Willebroek to Fox Lake (Illinois) | 4,126.75 mi (6,641.37 km) |
| Willebroek to Framingham (Massachusetts) | 3,481.49 mi (5,602.92 km) |
| Willebroek to Franconia (Virginia) | 3,868.75 mi (6,226.16 km) |
