| Willebroek to Kaneohe (Hawaii) | 7,313.10 mi (11,769.29 km) |
| Willebroek to Kankakee (Illinois) | 4,177.78 mi (6,723.48 km) |
| Willebroek to Kannapolis (North Carolina) | 4,163.90 mi (6,701.15 km) |
| Willebroek to Kansas City (Kansas) | 4,530.20 mi (7,290.64 km) |
| Willebroek to Kansas City (Missouri) | 4,523.23 mi (7,279.43 km) |
| Willebroek to Kapaa (Hawaii) | 7,285.85 mi (11,725.44 km) |
| Willebroek to Kapolei (Hawaii) | 7,321.13 mi (11,782.22 km) |
| Willebroek to Katy (Texas) | 5,054.13 mi (8,133.84 km) |
| Willebroek to Kaukauna (Wisconsin) | 4,042.37 mi (6,505.57 km) |
| Willebroek to Kaysville (Utah) | 5,010.13 mi (8,063.03 km) |
| Willebroek to Kearney (Missouri) | 4,504.46 mi (7,249.23 km) |
| Willebroek to Kearney (Nebraska) | 4,604.62 mi (7,410.41 km) |
| Willebroek to Kearns (Utah) | 5,033.14 mi (8,100.06 km) |
| Willebroek to Kearny (New Jersey) | 3,657.01 mi (5,885.38 km) |
| Willebroek to Keene (New Hampshire) | 3,489.17 mi (5,615.27 km) |
