| Costa Mesa to Rhondda | 5,339.19 mi (8,592.60 km) |
| Costa Mesa to Rhosllanerchrugog | 5,290.43 mi (8,514.12 km) |
| Costa Mesa to Rhyl | 5,263.18 mi (8,470.27 km) |
| Costa Mesa to Rhymney | 5,337.43 mi (8,589.76 km) |
| Costa Mesa to Richmond | 5,448.67 mi (8,768.78 km) |
| Costa Mesa to Rickmansworth | 5,435.04 mi (8,746.85 km) |
| Costa Mesa to Ripley | 5,341.34 mi (8,596.05 km) |
| Costa Mesa to Ripon | 5,289.25 mi (8,512.23 km) |
| Costa Mesa to Risca | 5,350.40 mi (8,610.63 km) |
| Costa Mesa to Rochdale | 5,292.49 mi (8,517.44 km) |
| Costa Mesa to Rochester | 5,478.21 mi (8,816.33 km) |
| Costa Mesa to Rock Ferry | 5,276.09 mi (8,491.04 km) |
| Costa Mesa to Rogerstone | 5,352.40 mi (8,613.85 km) |
| Costa Mesa to Romford | 5,458.65 mi (8,784.86 km) |
| Costa Mesa to Romsey | 5,430.67 mi (8,739.82 km) |
