| Costa Mesa to Oxford (Alabama) | 1,835.96 mi (2,954.69 km) |
| Costa Mesa to Oxford (Mississippi) | 1,620.75 mi (2,608.35 km) |
| Costa Mesa to Oxford (Ohio) | 1,872.71 mi (3,013.84 km) |
| Costa Mesa to Oxnard (California) | 81.38 mi (130.97 km) |
| Costa Mesa to Oxon Hill (Maryland) | 2,289.88 mi (3,685.21 km) |
| Costa Mesa to Ozark (Alabama) | 1,877.65 mi (3,021.79 km) |
| Costa Mesa to Ozark (Missouri) | 1,407.05 mi (2,264.42 km) |
| Costa Mesa to Pace (Florida) | 1,804.41 mi (2,903.92 km) |
| Costa Mesa to Pacific Grove (California) | 304.89 mi (490.68 km) |
| Costa Mesa to Pacifica (California) | 374.04 mi (601.95 km) |
| Costa Mesa to Paducah (Kentucky) | 1,659.13 mi (2,670.11 km) |
| Costa Mesa to Pahrump (Nevada) | 207.31 mi (333.64 km) |
| Costa Mesa to Painesville (Ohio) | 2,063.04 mi (3,320.14 km) |
| Costa Mesa to Palatine (Illinois) | 1,719.64 mi (2,767.49 km) |
| Costa Mesa to Palatka (Florida) | 2,138.60 mi (3,441.75 km) |
