| Leiden to Kaneohe (Hawaii) | 7,242.47 mi (11,655.64 km) |
| Leiden to Kankakee (Illinois) | 4,144.78 mi (6,670.38 km) |
| Leiden to Kannapolis (North Carolina) | 4,142.23 mi (6,666.28 km) |
| Leiden to Kansas City (Kansas) | 4,494.02 mi (7,232.42 km) |
| Leiden to Kansas City (Missouri) | 4,487.19 mi (7,221.43 km) |
| Leiden to Kapaa (Hawaii) | 7,214.49 mi (11,610.59 km) |
| Leiden to Kapolei (Hawaii) | 7,250.39 mi (11,668.38 km) |
| Leiden to Katy (Texas) | 5,024.90 mi (8,086.80 km) |
| Leiden to Kaukauna (Wisconsin) | 4,005.96 mi (6,446.98 km) |
| Leiden to Kaysville (Utah) | 4,960.70 mi (7,983.47 km) |
| Leiden to Kearney (Missouri) | 4,468.37 mi (7,191.14 km) |
| Leiden to Kearney (Nebraska) | 4,564.03 mi (7,345.10 km) |
| Leiden to Kearns (Utah) | 4,983.90 mi (8,020.81 km) |
| Leiden to Kearny (New Jersey) | 3,634.66 mi (5,849.43 km) |
| Leiden to Keene (New Hampshire) | 3,465.47 mi (5,577.13 km) |
