| Thornton Heath to Kaneohe (Hawaii) | 7,227.24 mi (11,631.13 km) |
| Thornton Heath to Kankakee (Illinois) | 3,996.83 mi (6,432.28 km) |
| Thornton Heath to Kannapolis (North Carolina) | 3,973.60 mi (6,394.90 km) |
| Thornton Heath to Kansas City (Kansas) | 4,352.75 mi (7,005.07 km) |
| Thornton Heath to Kansas City (Missouri) | 4,345.61 mi (6,993.59 km) |
| Thornton Heath to Kapaa (Hawaii) | 7,204.98 mi (11,595.29 km) |
| Thornton Heath to Kapolei (Hawaii) | 7,236.03 mi (11,645.27 km) |
| Thornton Heath to Katy (Texas) | 4,869.18 mi (7,836.19 km) |
| Thornton Heath to Kaukauna (Wisconsin) | 3,865.45 mi (6,220.84 km) |
| Thornton Heath to Kaysville (Utah) | 4,853.62 mi (7,811.14 km) |
| Thornton Heath to Kearney (Missouri) | 4,326.93 mi (6,963.52 km) |
| Thornton Heath to Kearney (Nebraska) | 4,433.03 mi (7,134.28 km) |
| Thornton Heath to Kearns (Utah) | 4,876.22 mi (7,847.52 km) |
| Thornton Heath to Kearny (New Jersey) | 3,467.24 mi (5,579.98 km) |
| Thornton Heath to Keene (New Hampshire) | 3,300.34 mi (5,311.38 km) |
