| Costa Mesa to Camarillo (California) | 74.75 mi (120.30 km) |
| Costa Mesa to Camas (Washington) | 858.48 mi (1,381.59 km) |
| Costa Mesa to Cambridge (Maryland) | 2,339.23 mi (3,764.62 km) |
| Costa Mesa to Cambridge (Massachusetts) | 2,583.16 mi (4,157.19 km) |
| Costa Mesa to Camden (Arkansas) | 1,438.74 mi (2,315.43 km) |
| Costa Mesa to Camden (New Jersey) | 2,384.25 mi (3,837.08 km) |
| Costa Mesa to Cameron Park (California) | 386.04 mi (621.27 km) |
| Costa Mesa to Camp Pendleton South (California) | 42.41 mi (68.25 km) |
| Costa Mesa to Camp Springs (Maryland) | 2,292.64 mi (3,689.64 km) |
| Costa Mesa to Camp Verde (Arizona) | 352.00 mi (566.49 km) |
| Costa Mesa to Campbell (California) | 337.60 mi (543.31 km) |
| Costa Mesa to Campbellsville (Kentucky) | 1,839.85 mi (2,960.96 km) |
| Costa Mesa to Campton Hills (Illinois) | 1,698.74 mi (2,733.86 km) |
| Costa Mesa to Canby (Oregon) | 840.44 mi (1,352.56 km) |
| Costa Mesa to Candelaria (Puerto Rico) | 3,341.03 mi (5,376.86 km) |
