| Costa Mesa to Keizer (Oregon) | 829.05 mi (1,334.22 km) |
| Costa Mesa to Keller (Texas) | 1,193.78 mi (1,921.21 km) |
| Costa Mesa to Kelso (Washington) | 899.74 mi (1,447.99 km) |
| Costa Mesa to Kemp Mill (Maryland) | 2,286.10 mi (3,679.13 km) |
| Costa Mesa to Ken Caryl (Colorado) | 817.67 mi (1,315.91 km) |
| Costa Mesa to Kendale Lakes (Florida) | 2,304.03 mi (3,707.98 km) |
| Costa Mesa to Kendall (Florida) | 2,308.06 mi (3,714.46 km) |
| Costa Mesa to Kendall Park (New Jersey) | 2,411.12 mi (3,880.32 km) |
| Costa Mesa to Kendall West (Florida) | 2,302.30 mi (3,705.19 km) |
| Costa Mesa to Kenmore (New York) | 2,189.95 mi (3,524.38 km) |
| Costa Mesa to Kenmore (Washington) | 998.89 mi (1,607.55 km) |
| Costa Mesa to Kenner (Louisiana) | 1,638.02 mi (2,636.14 km) |
| Costa Mesa to Kennesaw (Georgia) | 1,902.29 mi (3,061.43 km) |
| Costa Mesa to Kennett (Missouri) | 1,582.53 mi (2,546.84 km) |
| Costa Mesa to Kennewick (Washington) | 868.35 mi (1,397.48 km) |
