| Rockville to Rende | 4,740.83 mi (7,629.63 km) |
| Rockville to Resana | 4,329.82 mi (6,968.18 km) |
| Rockville to Rescaldina | 4,202.75 mi (6,763.67 km) |
| Rockville to Rezzato | 4,264.49 mi (6,863.04 km) |
| Rockville to Rho | 4,208.98 mi (6,773.70 km) |
| Rockville to Ribera | 4,678.41 mi (7,529.17 km) |
| Rockville to Riccione Marina | 4,415.48 mi (7,106.02 km) |
| Rockville to Riesi | 4,724.17 mi (7,602.82 km) |
| Rockville to Rieti | 4,480.52 mi (7,210.70 km) |
| Rockville to Rignano Flaminio | 4,471.40 mi (7,196.03 km) |
| Rockville to Rignano sull'Arno | 4,373.23 mi (7,038.04 km) |
| Rockville to Rimini | 4,409.90 mi (7,097.05 km) |
| Rockville to Rionero in Vulture | 4,657.97 mi (7,496.28 km) |
| Rockville to Riposto | 4,757.97 mi (7,657.22 km) |
| Rockville to Riva del Garda | 4,275.03 mi (6,879.99 km) |
