| Costa Mesa to Joliet (Illinois) | 1,707.46 mi (2,747.89 km) |
| Costa Mesa to Jonesboro (Arkansas) | 1,548.37 mi (2,491.86 km) |
| Costa Mesa to Joplin (Missouri) | 1,336.34 mi (2,150.63 km) |
| Costa Mesa to Joppatowne (Maryland) | 2,320.30 mi (3,734.16 km) |
| Costa Mesa to Juana Díaz (Puerto Rico) | 3,336.44 mi (5,369.47 km) |
| Costa Mesa to Junction City (Kansas) | 1,225.98 mi (1,973.03 km) |
| Costa Mesa to Juneau (Alaska) | 1,870.38 mi (3,010.08 km) |
| Costa Mesa to Jupiter (Florida) | 2,289.69 mi (3,684.90 km) |
| Costa Mesa to Jupiter Farms (Florida) | 2,283.54 mi (3,675.00 km) |
| Costa Mesa to Jurupa Valley (California) | 34.35 mi (55.27 km) |
| Costa Mesa to Justice (Illinois) | 1,726.02 mi (2,777.75 km) |
| Costa Mesa to Kahului (Hawaii) | 2,509.52 mi (4,038.68 km) |
| Costa Mesa to Kailua (Hawaii) | 2,564.91 mi (4,127.83 km) |
| Costa Mesa to Kalamazoo (Michigan) | 1,845.43 mi (2,969.94 km) |
| Costa Mesa to Kalispell (Montana) | 1,022.18 mi (1,645.05 km) |
