| Rockville to Rosolini | 4,781.82 mi (7,695.60 km) |
| Rockville to Rossano | 4,751.84 mi (7,647.35 km) |
| Rockville to Rottofreno | 4,246.48 mi (6,834.06 km) |
| Rockville to Rovato | 4,249.19 mi (6,838.42 km) |
| Rockville to Roverbella | 4,291.83 mi (6,907.04 km) |
| Rockville to Rovereto | 4,283.49 mi (6,893.60 km) |
| Rockville to Rovigo | 4,341.83 mi (6,987.50 km) |
| Rockville to Rozzano | 4,218.80 mi (6,789.51 km) |
| Rockville to Rubano | 4,329.50 mi (6,967.65 km) |
| Rockville to Rubiera | 4,313.07 mi (6,941.21 km) |
| Rockville to Ruffano | 4,806.76 mi (7,735.73 km) |
| Rockville to Russi | 4,376.02 mi (7,042.53 km) |
| Rockville to Rutigliano | 4,711.23 mi (7,581.99 km) |
| Rockville to Ruvo di Puglia | 4,686.12 mi (7,541.57 km) |
| Rockville to Sabaudia | 4,527.48 mi (7,286.27 km) |
