| Rockville to Rivalta di Torino | 4,159.38 mi (6,693.88 km) |
| Rockville to Rivarolo Canavese | 4,158.67 mi (6,692.74 km) |
| Rockville to Rivoli | 4,158.23 mi (6,692.03 km) |
| Rockville to Rocca di Papa | 4,497.10 mi (7,237.38 km) |
| Rockville to Rocca Priora | 4,498.71 mi (7,239.98 km) |
| Rockville to Roccapiemonte | 4,620.93 mi (7,436.67 km) |
| Rockville to Roccastrada | 4,385.43 mi (7,057.66 km) |
| Rockville to Romano di Lombardia | 4,240.21 mi (6,823.96 km) |
| Rockville to Rome | 4,482.28 mi (7,213.53 km) |
| Rockville to Roncade | 4,348.11 mi (6,997.60 km) |
| Rockville to Ronchi dei Legionari | 4,388.09 mi (7,061.95 km) |
| Rockville to Ronciglione | 4,456.44 mi (7,171.95 km) |
| Rockville to Rosa | 4,319.29 mi (6,951.23 km) |
| Rockville to Rosarno | 4,764.31 mi (7,667.41 km) |
| Rockville to Rosignano Marittimo | 4,341.38 mi (6,986.78 km) |
