| Costa Mesa to Kaneohe (Hawaii) | 2,567.34 mi (4,131.73 km) |
| Costa Mesa to Kankakee (Illinois) | 1,718.02 mi (2,764.89 km) |
| Costa Mesa to Kannapolis (North Carolina) | 2,111.66 mi (3,398.39 km) |
| Costa Mesa to Kansas City (Kansas) | 1,338.38 mi (2,153.91 km) |
| Costa Mesa to Kansas City (Missouri) | 1,348.45 mi (2,170.12 km) |
| Costa Mesa to Kapaa (Hawaii) | 2,634.55 mi (4,239.90 km) |
| Costa Mesa to Kapolei (Hawaii) | 2,585.25 mi (4,160.55 km) |
| Costa Mesa to Katy (Texas) | 1,322.11 mi (2,127.73 km) |
| Costa Mesa to Kaukauna (Wisconsin) | 1,740.65 mi (2,801.30 km) |
| Costa Mesa to Kaysville (Utah) | 604.79 mi (973.31 km) |
| Costa Mesa to Kearney (Missouri) | 1,361.26 mi (2,190.74 km) |
| Costa Mesa to Kearney (Nebraska) | 1,141.67 mi (1,837.33 km) |
| Costa Mesa to Kearns (Utah) | 581.58 mi (935.96 km) |
| Costa Mesa to Kearny (New Jersey) | 2,433.15 mi (3,915.78 km) |
| Costa Mesa to Keene (New Hampshire) | 2,522.03 mi (4,058.81 km) |
