| Costa Mesa to Indianola (Iowa) | 1,430.36 mi (2,301.94 km) |
| Costa Mesa to Indio (California) | 96.62 mi (155.49 km) |
| Costa Mesa to Inglewood (California) | 31.83 mi (51.22 km) |
| Costa Mesa to Inkster (Michigan) | 1,960.91 mi (3,155.78 km) |
| Costa Mesa to Inver Grove Heights (Minnesota) | 1,528.06 mi (2,459.17 km) |
| Costa Mesa to Inwood (New York) | 2,452.96 mi (3,947.66 km) |
| Costa Mesa to Iona (Florida) | 2,193.75 mi (3,530.50 km) |
| Costa Mesa to Ionia (Michigan) | 1,878.53 mi (3,023.20 km) |
| Costa Mesa to Iowa City (Iowa) | 1,537.49 mi (2,474.34 km) |
| Costa Mesa to Irmo (South Carolina) | 2,094.79 mi (3,371.24 km) |
| Costa Mesa to Irondale (Alabama) | 1,791.53 mi (2,883.18 km) |
| Costa Mesa to Ironton (Ohio) | 1,983.24 mi (3,191.71 km) |
| Costa Mesa to Irvine (California) | 8.07 mi (12.98 km) |
| Costa Mesa to Irving (Texas) | 1,209.19 mi (1,946.01 km) |
| Costa Mesa to Isabela (Puerto Rico) | 3,291.76 mi (5,297.57 km) |
