| Costa Mesa to Germantown (Wisconsin) | 1,730.67 mi (2,785.24 km) |
| Costa Mesa to Gibsonton (Florida) | 2,137.71 mi (3,440.31 km) |
| Costa Mesa to Gig Harbor (Washington) | 975.45 mi (1,569.83 km) |
| Costa Mesa to Gilbert (Arizona) | 356.18 mi (573.21 km) |
| Costa Mesa to Gillette (Wyoming) | 988.72 mi (1,591.20 km) |
| Costa Mesa to Gilroy (California) | 309.82 mi (498.61 km) |
| Costa Mesa to Gladeview (Florida) | 2,310.34 mi (3,718.14 km) |
| Costa Mesa to Gladstone (Missouri) | 1,349.16 mi (2,171.26 km) |
| Costa Mesa to Gladstone (Oregon) | 846.89 mi (1,362.94 km) |
| Costa Mesa to Glasgow (Delaware) | 2,351.70 mi (3,784.69 km) |
| Costa Mesa to Glasgow (Kentucky) | 1,809.08 mi (2,911.43 km) |
| Costa Mesa to Glassboro (New Jersey) | 2,385.03 mi (3,838.34 km) |
| Costa Mesa to Glassmanor (Maryland) | 2,289.17 mi (3,684.06 km) |
| Costa Mesa to Glen Allen (Virginia) | 2,268.64 mi (3,651.03 km) |
| Costa Mesa to Glen Burnie (Maryland) | 2,307.78 mi (3,714.01 km) |
