| Costa Mesa to Lomita (California) | 24.81 mi (39.92 km) |
| Costa Mesa to Lompoc (California) | 161.58 mi (260.04 km) |
| Costa Mesa to London (Ohio) | 1,943.03 mi (3,127.01 km) |
| Costa Mesa to Lone Tree (Colorado) | 827.99 mi (1,332.52 km) |
| Costa Mesa to Long Beach (California) | 17.15 mi (27.60 km) |
| Costa Mesa to Long Beach (Mississippi) | 1,694.15 mi (2,726.47 km) |
| Costa Mesa to Long Beach (New York) | 2,457.52 mi (3,954.99 km) |
| Costa Mesa to Long Branch (New Jersey) | 2,441.62 mi (3,929.41 km) |
| Costa Mesa to Longmont (Colorado) | 837.01 mi (1,347.03 km) |
| Costa Mesa to Longview (Texas) | 1,339.67 mi (2,155.99 km) |
| Costa Mesa to Longview (Washington) | 902.32 mi (1,452.15 km) |
| Costa Mesa to Longwood (Florida) | 2,176.99 mi (3,503.52 km) |
| Costa Mesa to Lorain (Ohio) | 2,013.81 mi (3,240.92 km) |
| Costa Mesa to Lorton (Virginia) | 2,277.22 mi (3,664.82 km) |
| Costa Mesa to Los Alamitos (California) | 12.30 mi (19.79 km) |
