| Costa Mesa to Rockville (Maryland) | 2,278.76 mi (3,667.31 km) |
| Costa Mesa to Rockville Centre (New York) | 2,458.68 mi (3,956.86 km) |
| Costa Mesa to Rockwall (Texas) | 1,239.19 mi (1,994.28 km) |
| Costa Mesa to Rocky Mount (North Carolina) | 2,264.75 mi (3,644.76 km) |
| Costa Mesa to Rocky Point (New York) | 2,494.29 mi (4,014.17 km) |
| Costa Mesa to Rocky River (Ohio) | 2,031.07 mi (3,268.70 km) |
| Costa Mesa to Roessleville (New York) | 2,446.36 mi (3,937.03 km) |
| Costa Mesa to Rogers (Arkansas) | 1,353.86 mi (2,178.83 km) |
| Costa Mesa to Rogers (Minnesota) | 1,514.19 mi (2,436.86 km) |
| Costa Mesa to Rohnert Park (California) | 419.48 mi (675.09 km) |
| Costa Mesa to Rolla (Missouri) | 1,489.81 mi (2,397.61 km) |
| Costa Mesa to Rolling Meadows (Illinois) | 1,720.02 mi (2,768.10 km) |
| Costa Mesa to Roma (Texas) | 1,234.29 mi (1,986.39 km) |
| Costa Mesa to Rome (Georgia) | 1,867.69 mi (3,005.76 km) |
| Costa Mesa to Rome (New York) | 2,361.16 mi (3,799.92 km) |
