| Boston to Rivalta di Torino | 645.54 mi (1,038.90 km) |
| Boston to Rivarolo Canavese | 632.56 mi (1,018.01 km) |
| Boston to Rivoli | 643.37 mi (1,035.41 km) |
| Boston to Rocca di Papa | 974.15 mi (1,567.74 km) |
| Boston to Rocca Priora | 974.59 mi (1,568.46 km) |
| Boston to Roccapiemonte | 1,088.86 mi (1,752.35 km) |
| Boston to Roccastrada | 859.10 mi (1,382.59 km) |
| Boston to Romano di Lombardia | 676.82 mi (1,089.24 km) |
| Boston to Rome | 960.27 mi (1,545.40 km) |
| Boston to Roncade | 753.02 mi (1,211.86 km) |
| Boston to Ronchi dei Legionari | 780.75 mi (1,256.50 km) |
| Boston to Ronciglione | 929.82 mi (1,496.40 km) |
| Boston to Rosa | 728.37 mi (1,172.20 km) |
| Boston to Rosarno | 1,257.99 mi (2,024.54 km) |
| Boston to Rosignano Marittimo | 817.34 mi (1,315.39 km) |
