| Costa Mesa to Robertsville (New Jersey) | 2,425.54 mi (3,903.53 km) |
| Costa Mesa to Robinson (Texas) | 1,218.45 mi (1,960.91 km) |
| Costa Mesa to Robstown (Texas) | 1,266.37 mi (2,038.02 km) |
| Costa Mesa to Rochester (Michigan) | 1,973.82 mi (3,176.56 km) |
| Costa Mesa to Rochester (Minnesota) | 1,535.49 mi (2,471.13 km) |
| Costa Mesa to Rochester (New Hampshire) | 2,588.18 mi (4,165.28 km) |
| Costa Mesa to Rochester (New York) | 2,254.04 mi (3,627.53 km) |
| Costa Mesa to Rochester Hills (Michigan) | 1,971.80 mi (3,173.31 km) |
| Costa Mesa to Rock Hill (South Carolina) | 2,095.35 mi (3,372.14 km) |
| Costa Mesa to Rock Island (Illinois) | 1,582.85 mi (2,547.35 km) |
| Costa Mesa to Rock Springs (Wyoming) | 724.66 mi (1,166.23 km) |
| Costa Mesa to Rockford (Illinois) | 1,670.06 mi (2,687.71 km) |
| Costa Mesa to Rockledge (Florida) | 2,220.67 mi (3,573.83 km) |
| Costa Mesa to Rocklin (California) | 400.81 mi (645.04 km) |
| Costa Mesa to Rockport (Texas) | 1,293.48 mi (2,081.66 km) |
