| Costa Mesa to Los Alamos (New Mexico) | 677.08 mi (1,089.65 km) |
| Costa Mesa to Los Altos (California) | 347.41 mi (559.11 km) |
| Costa Mesa to Los Angeles (California) | 41.91 mi (67.44 km) |
| Costa Mesa to Los Banos (California) | 286.78 mi (461.53 km) |
| Costa Mesa to Los Gatos (California) | 335.20 mi (539.45 km) |
| Costa Mesa to Los Lunas (New Mexico) | 640.48 mi (1,030.75 km) |
| Costa Mesa to Los Osos (California) | 200.77 mi (323.11 km) |
| Costa Mesa to Loudoun Valley Estates (Virginia) | 2,260.45 mi (3,637.84 km) |
| Costa Mesa to Louisville (Colorado) | 828.55 mi (1,333.42 km) |
| Costa Mesa to Louisville (Kentucky) | 1,822.58 mi (2,933.16 km) |
| Costa Mesa to Lovejoy (Georgia) | 1,925.83 mi (3,099.32 km) |
| Costa Mesa to Loveland (Colorado) | 847.04 mi (1,363.18 km) |
| Costa Mesa to Loveland (Ohio) | 1,897.42 mi (3,053.61 km) |
| Costa Mesa to Loves Park (Illinois) | 1,674.44 mi (2,694.74 km) |
| Costa Mesa to Lovington (New Mexico) | 843.32 mi (1,357.20 km) |
