| Costa Mesa to Cloverleaf (Texas) | 1,360.11 mi (2,188.88 km) |
| Costa Mesa to Cloverly (Maryland) | 2,287.00 mi (3,680.57 km) |
| Costa Mesa to Clovis (California) | 240.14 mi (386.46 km) |
| Costa Mesa to Clovis (New Mexico) | 843.66 mi (1,357.75 km) |
| Costa Mesa to Clute (Texas) | 1,363.76 mi (2,194.76 km) |
| Costa Mesa to Coachella (California) | 101.81 mi (163.85 km) |
| Costa Mesa to Coalinga (California) | 218.86 mi (352.23 km) |
| Costa Mesa to Coamo (Puerto Rico) | 3,343.70 mi (5,381.16 km) |
| Costa Mesa to Coatesville (Pennsylvania) | 2,346.38 mi (3,776.13 km) |
| Costa Mesa to Cockeysville (Maryland) | 2,305.26 mi (3,709.95 km) |
| Costa Mesa to Cocoa (Florida) | 2,217.47 mi (3,568.68 km) |
| Costa Mesa to Cocoa Beach (Florida) | 2,226.64 mi (3,583.43 km) |
| Costa Mesa to Coconut Creek (Florida) | 2,301.81 mi (3,704.40 km) |
| Costa Mesa to Coeur d'Alene (Idaho) | 971.63 mi (1,563.68 km) |
| Costa Mesa to Cohoes (New York) | 2,450.84 mi (3,944.25 km) |
