| Sonoma to Rivalta di Torino | 5,893.24 mi (9,484.25 km) |
| Sonoma to Rivarolo Canavese | 5,882.68 mi (9,467.27 km) |
| Sonoma to Rivoli | 5,891.25 mi (9,481.05 km) |
| Sonoma to Rocca di Papa | 6,228.21 mi (10,023.34 km) |
| Sonoma to Rocca Priora | 6,228.68 mi (10,024.09 km) |
| Sonoma to Roccapiemonte | 6,342.30 mi (10,206.94 km) |
| Sonoma to Roccastrada | 6,112.80 mi (9,837.59 km) |
| Sonoma to Romano di Lombardia | 5,930.76 mi (9,544.64 km) |
| Sonoma to Rome | 6,214.27 mi (10,000.90 km) |
| Sonoma to Roncade | 5,997.08 mi (9,651.38 km) |
| Sonoma to Ronchi dei Legionari | 6,014.96 mi (9,680.15 km) |
| Sonoma to Ronciglione | 6,183.87 mi (9,951.98 km) |
| Sonoma to Rosa | 5,975.31 mi (9,616.33 km) |
| Sonoma to Rosarno | 6,512.03 mi (10,480.10 km) |
| Sonoma to Rosignano Marittimo | 6,070.47 mi (9,769.48 km) |
