| Costa Mesa to Clarksdale (Mississippi) | 1,563.30 mi (2,515.88 km) |
| Costa Mesa to Clarkston (Georgia) | 1,925.97 mi (3,099.55 km) |
| Costa Mesa to Clarksville (Indiana) | 1,816.15 mi (2,922.81 km) |
| Costa Mesa to Clarksville (Tennessee) | 1,732.11 mi (2,787.55 km) |
| Costa Mesa to Clawson (Michigan) | 1,971.09 mi (3,172.16 km) |
| Costa Mesa to Clay (Alabama) | 1,792.84 mi (2,885.30 km) |
| Costa Mesa to Clayton (California) | 371.19 mi (597.38 km) |
| Costa Mesa to Clayton (Missouri) | 1,570.40 mi (2,527.31 km) |
| Costa Mesa to Clayton (North Carolina) | 2,231.91 mi (3,591.92 km) |
| Costa Mesa to Clayton (Ohio) | 1,895.73 mi (3,050.88 km) |
| Costa Mesa to Clearfield (Utah) | 606.71 mi (976.41 km) |
| Costa Mesa to Clearlake (California) | 450.12 mi (724.39 km) |
| Costa Mesa to Clearwater (Florida) | 2,111.94 mi (3,398.85 km) |
| Costa Mesa to Cleburne (Texas) | 1,189.15 mi (1,913.75 km) |
| Costa Mesa to Clemmons (North Carolina) | 2,121.04 mi (3,413.49 km) |
