| Rockville to Rheinbach | 3,969.73 mi (6,388.66 km) |
| Rockville to Rheinberg | 3,930.86 mi (6,326.11 km) |
| Rockville to Rheine | 3,943.70 mi (6,346.78 km) |
| Rockville to Rheinfelden (Baden) | 4,093.26 mi (6,587.46 km) |
| Rockville to Ribnitz-Damgarten | 4,078.30 mi (6,563.39 km) |
| Rockville to Richterich | 3,929.29 mi (6,323.57 km) |
| Rockville to Riedlingen | 4,145.07 mi (6,670.85 km) |
| Rockville to Riegelsberg | 4,006.92 mi (6,448.51 km) |
| Rockville to Rielasingen-Worblingen | 4,131.79 mi (6,649.48 km) |
| Rockville to Riesa | 4,198.99 mi (6,757.62 km) |
| Rockville to Rietberg | 3,995.98 mi (6,430.90 km) |
| Rockville to Rinteln | 4,010.19 mi (6,453.78 km) |
| Rockville to Ritterhude | 3,970.15 mi (6,389.34 km) |
| Rockville to Rodenbach | 4,067.09 mi (6,545.35 km) |
| Rockville to Rodental | 4,144.04 mi (6,669.19 km) |
