| Costa Mesa to Rancho Cordova (California) | 386.81 mi (622.51 km) |
| Costa Mesa to Rancho Cucamonga (California) | 37.38 mi (60.15 km) |
| Costa Mesa to Rancho Mirage (California) | 85.69 mi (137.90 km) |
| Costa Mesa to Rancho Palos Verdes (California) | 26.57 mi (42.77 km) |
| Costa Mesa to Rancho San Diego (California) | 84.88 mi (136.59 km) |
| Costa Mesa to Rancho Santa Margarita (California) | 18.26 mi (29.39 km) |
| Costa Mesa to Randallstown (Maryland) | 2,296.45 mi (3,695.78 km) |
| Costa Mesa to Rantoul (Illinois) | 1,696.28 mi (2,729.89 km) |
| Costa Mesa to Rapid City (South Dakota) | 1,065.44 mi (1,714.65 km) |
| Costa Mesa to Ravenna (Ohio) | 2,061.57 mi (3,317.78 km) |
| Costa Mesa to Raymondville (Texas) | 1,299.60 mi (2,091.50 km) |
| Costa Mesa to Raymore (Missouri) | 1,350.27 mi (2,173.06 km) |
| Costa Mesa to Raytown (Missouri) | 1,351.86 mi (2,175.61 km) |
| Costa Mesa to Reading (Ohio) | 1,888.80 mi (3,039.73 km) |
| Costa Mesa to Reading (Pennsylvania) | 2,339.65 mi (3,765.30 km) |
