| Costa Mesa to Red Bank (New Jersey) | 2,437.43 mi (3,922.66 km) |
| Costa Mesa to Red Bank (Tennessee) | 1,854.14 mi (2,983.94 km) |
| Costa Mesa to Red Bluff (California) | 509.01 mi (819.18 km) |
| Costa Mesa to Red Hill (South Carolina) | 2,222.00 mi (3,575.96 km) |
| Costa Mesa to Red Oak (Texas) | 1,223.36 mi (1,968.80 km) |
| Costa Mesa to Red Wing (Minnesota) | 1,542.90 mi (2,483.06 km) |
| Costa Mesa to Redan (Georgia) | 1,931.08 mi (3,107.78 km) |
| Costa Mesa to Redding (California) | 536.12 mi (862.81 km) |
| Costa Mesa to Redland (Maryland) | 2,279.03 mi (3,667.74 km) |
| Costa Mesa to Redlands (California) | 50.20 mi (80.78 km) |
| Costa Mesa to Redmond (Oregon) | 752.59 mi (1,211.17 km) |
| Costa Mesa to Redmond (Washington) | 992.32 mi (1,596.98 km) |
| Costa Mesa to Redondo Beach (California) | 29.69 mi (47.78 km) |
| Costa Mesa to Redwood City (California) | 358.99 mi (577.74 km) |
| Costa Mesa to Reedley (California) | 220.33 mi (354.59 km) |
