| Williamstown to Rivalta di Torino | 4,040.39 mi (6,502.38 km) |
| Williamstown to Rivarolo Canavese | 4,039.90 mi (6,501.59 km) |
| Williamstown to Rivoli | 4,039.26 mi (6,500.56 km) |
| Williamstown to Rocca di Papa | 4,377.45 mi (7,044.82 km) |
| Williamstown to Rocca Priora | 4,379.08 mi (7,047.45 km) |
| Williamstown to Roccapiemonte | 4,501.24 mi (7,244.04 km) |
| Williamstown to Roccastrada | 4,266.08 mi (6,865.59 km) |
| Williamstown to Romano di Lombardia | 4,122.01 mi (6,633.74 km) |
| Williamstown to Rome | 4,362.64 mi (7,020.99 km) |
| Williamstown to Roncade | 4,230.62 mi (6,808.52 km) |
| Williamstown to Ronchi dei Legionari | 4,271.04 mi (6,873.57 km) |
| Williamstown to Ronciglione | 4,336.95 mi (6,979.64 km) |
| Williamstown to Rosa | 4,201.71 mi (6,762.00 km) |
| Williamstown to Rosarno | 4,643.86 mi (7,473.57 km) |
| Williamstown to Rosignano Marittimo | 4,222.09 mi (6,794.80 km) |
