| Costa Mesa to Reidsville (North Carolina) | 2,158.12 mi (3,473.16 km) |
| Costa Mesa to Reisterstown (Maryland) | 2,295.52 mi (3,694.28 km) |
| Costa Mesa to Rendon (Texas) | 1,196.95 mi (1,926.30 km) |
| Costa Mesa to Reno (Nevada) | 420.37 mi (676.52 km) |
| Costa Mesa to Renton (Washington) | 979.95 mi (1,577.08 km) |
| Costa Mesa to Republic (Missouri) | 1,394.76 mi (2,244.64 km) |
| Costa Mesa to Reston (Virginia) | 2,269.10 mi (3,651.77 km) |
| Costa Mesa to Revere (Massachusetts) | 2,588.87 mi (4,166.39 km) |
| Costa Mesa to Rexburg (Idaho) | 774.81 mi (1,246.94 km) |
| Costa Mesa to Reynoldsburg (Ohio) | 1,977.23 mi (3,182.04 km) |
| Costa Mesa to Rialto (California) | 43.29 mi (69.68 km) |
| Costa Mesa to Richardson (Texas) | 1,223.04 mi (1,968.30 km) |
| Costa Mesa to Richfield (Minnesota) | 1,519.24 mi (2,444.98 km) |
| Costa Mesa to Richfield (Wisconsin) | 1,724.83 mi (2,775.85 km) |
| Costa Mesa to Richland (Washington) | 874.68 mi (1,407.66 km) |
