| Valley Center to Kalispell (Montana) | 1,044.53 mi (1,681.01 km) |
| Valley Center to Kaneohe (Hawaii) | 2,614.29 mi (4,207.30 km) |
| Valley Center to Kankakee (Illinois) | 1,685.27 mi (2,712.18 km) |
| Valley Center to Kannapolis (North Carolina) | 2,068.96 mi (3,329.67 km) |
| Valley Center to Kansas City (Kansas) | 1,303.11 mi (2,097.15 km) |
| Valley Center to Kansas City (Missouri) | 1,313.12 mi (2,113.26 km) |
| Valley Center to Kapaa (Hawaii) | 2,682.81 mi (4,317.56 km) |
| Valley Center to Kapolei (Hawaii) | 2,632.26 mi (4,236.22 km) |
| Valley Center to Katy (Texas) | 1,267.78 mi (2,040.29 km) |
| Valley Center to Kaukauna (Wisconsin) | 1,714.75 mi (2,759.63 km) |
| Valley Center to Kaysville (Utah) | 606.47 mi (976.02 km) |
| Valley Center to Kearney (Missouri) | 1,326.44 mi (2,134.70 km) |
| Valley Center to Kearney (Nebraska) | 1,113.37 mi (1,791.80 km) |
| Valley Center to Kearns (Utah) | 582.13 mi (936.85 km) |
| Valley Center to Kearny (New Jersey) | 2,398.80 mi (3,860.50 km) |
