| Costa Mesa to Lemay (Missouri) | 1,572.33 mi (2,530.43 km) |
| Costa Mesa to Lemon Grove (California) | 82.12 mi (132.16 km) |
| Costa Mesa to Lemon Hill (California) | 389.10 mi (626.20 km) |
| Costa Mesa to Lemont (Illinois) | 1,717.55 mi (2,764.12 km) |
| Costa Mesa to Lemoore (California) | 210.61 mi (338.94 km) |
| Costa Mesa to Lenexa (Kansas) | 1,333.58 mi (2,146.19 km) |
| Costa Mesa to Lennox (California) | 31.69 mi (51.00 km) |
| Costa Mesa to Lenoir (North Carolina) | 2,058.76 mi (3,313.26 km) |
| Costa Mesa to Leominster (Massachusetts) | 2,549.51 mi (4,103.04 km) |
| Costa Mesa to Leon Valley (Texas) | 1,169.99 mi (1,882.92 km) |
| Costa Mesa to Levelland (Texas) | 893.82 mi (1,438.46 km) |
| Costa Mesa to Levittown (New York) | 2,465.03 mi (3,967.08 km) |
| Costa Mesa to Levittown (Pennsylvania) | 2,396.82 mi (3,857.31 km) |
| Costa Mesa to Lewisburg (Tennessee) | 1,767.95 mi (2,845.25 km) |
| Costa Mesa to Lewiston (Idaho) | 880.66 mi (1,417.28 km) |
