| Costa Mesa to Greenwood Village (Colorado) | 828.47 mi (1,333.29 km) |
| Costa Mesa to Greer (South Carolina) | 2,027.74 mi (3,263.33 km) |
| Costa Mesa to Grenada (Mississippi) | 1,609.78 mi (2,590.69 km) |
| Costa Mesa to Gresham (Oregon) | 852.17 mi (1,371.44 km) |
| Costa Mesa to Gretna (Louisiana) | 1,651.65 mi (2,658.08 km) |
| Costa Mesa to Griffin (Georgia) | 1,930.70 mi (3,107.16 km) |
| Costa Mesa to Griffith (Indiana) | 1,744.70 mi (2,807.82 km) |
| Costa Mesa to Grimes (Iowa) | 1,424.29 mi (2,292.18 km) |
| Costa Mesa to Grosse Pointe Park (Michigan) | 1,981.14 mi (3,188.34 km) |
| Costa Mesa to Grosse Pointe Woods (Michigan) | 1,983.08 mi (3,191.46 km) |
| Costa Mesa to Grove City (Ohio) | 1,962.51 mi (3,158.35 km) |
| Costa Mesa to Groveland (Florida) | 2,151.63 mi (3,462.72 km) |
| Costa Mesa to Grover Beach (California) | 184.09 mi (296.27 km) |
| Costa Mesa to Groves (Texas) | 1,428.95 mi (2,299.67 km) |
| Costa Mesa to Groveton (Virginia) | 2,283.28 mi (3,674.59 km) |
