| Costa Mesa to Kenosha (Wisconsin) | 1,733.79 mi (2,790.27 km) |
| Costa Mesa to Kent (Ohio) | 2,055.36 mi (3,307.78 km) |
| Costa Mesa to Kent (Washington) | 974.21 mi (1,567.83 km) |
| Costa Mesa to Kentwood (Michigan) | 1,851.55 mi (2,979.79 km) |
| Costa Mesa to Kerman (California) | 243.64 mi (392.09 km) |
| Costa Mesa to Kernersville (North Carolina) | 2,137.18 mi (3,439.46 km) |
| Costa Mesa to Kerrville (Texas) | 1,128.64 mi (1,816.37 km) |
| Costa Mesa to Kettering (Maryland) | 2,299.27 mi (3,700.31 km) |
| Costa Mesa to Kettering (Ohio) | 1,904.82 mi (3,065.51 km) |
| Costa Mesa to Kewanee (Illinois) | 1,613.46 mi (2,596.61 km) |
| Costa Mesa to Key Biscayne (Florida) | 2,318.41 mi (3,731.12 km) |
| Costa Mesa to Key Largo (Florida) | 2,319.74 mi (3,733.27 km) |
| Costa Mesa to Key West (Florida) | 2,257.35 mi (3,632.85 km) |
| Costa Mesa to Keystone (Florida) | 2,117.78 mi (3,408.24 km) |
| Costa Mesa to Kihei (Hawaii) | 2,512.23 mi (4,043.04 km) |
