| Costa Mesa to Abilene (Texas) | 1,054.43 mi (1,696.94 km) |
| Costa Mesa to Accokeek (Maryland) | 2,288.85 mi (3,683.55 km) |
| Costa Mesa to Acworth (Georgia) | 1,898.92 mi (3,056.01 km) |
| Costa Mesa to Ada (Oklahoma) | 1,213.96 mi (1,953.68 km) |
| Costa Mesa to Addison (Illinois) | 1,719.20 mi (2,766.78 km) |
| Costa Mesa to Addison (Texas) | 1,215.92 mi (1,956.84 km) |
| Costa Mesa to Adelanto (California) | 68.76 mi (110.67 km) |
| Costa Mesa to Adelphi (Maryland) | 2,289.31 mi (3,684.29 km) |
| Costa Mesa to Adrian (Michigan) | 1,920.81 mi (3,091.25 km) |
| Costa Mesa to Affton (Missouri) | 1,570.15 mi (2,526.92 km) |
| Costa Mesa to Agoura Hills (California) | 59.00 mi (94.95 km) |
| Costa Mesa to Aguadilla (Puerto Rico) | 3,286.26 mi (5,288.73 km) |
| Costa Mesa to Aiken (South Carolina) | 2,071.68 mi (3,334.04 km) |
| Costa Mesa to Akron (Ohio) | 2,046.78 mi (3,293.97 km) |
| Costa Mesa to Alabaster (Alabama) | 1,785.96 mi (2,874.22 km) |
