| Rockville to Radauti | 4,804.98 mi (7,732.86 km) |
| Rockville to Ramnicu Sarat | 4,950.40 mi (7,966.89 km) |
| Rockville to Ramnicu Valcea | 4,857.27 mi (7,817.02 km) |
| Rockville to Rasnov | 4,879.69 mi (7,853.09 km) |
| Rockville to Reghin | 4,802.40 mi (7,728.72 km) |
| Rockville to Resita | 4,750.75 mi (7,645.59 km) |
| Rockville to Roman | 4,880.54 mi (7,854.47 km) |
| Rockville to Rosiori de Vede | 4,922.51 mi (7,922.01 km) |
| Rockville to Rovinari | 4,816.97 mi (7,752.16 km) |
| Rockville to Roznov | 4,868.67 mi (7,835.37 km) |
| Rockville to Sabaoani | 4,873.92 mi (7,843.82 km) |
| Rockville to Sacele | 4,888.26 mi (7,866.89 km) |
| Rockville to Sacueni | 4,678.64 mi (7,529.54 km) |
| Rockville to Salcea | 4,829.73 mi (7,772.70 km) |
| Rockville to Salonta | 4,682.82 mi (7,536.28 km) |
