| San Diego to Rivalta di Torino | 6,035.99 mi (9,713.98 km) |
| San Diego to Rivarolo Canavese | 6,027.84 mi (9,700.87 km) |
| San Diego to Rivoli | 6,034.18 mi (9,711.08 km) |
| San Diego to Rocca di Papa | 6,378.23 mi (10,264.77 km) |
| San Diego to Rocca Priora | 6,379.02 mi (10,266.04 km) |
| San Diego to Roccapiemonte | 6,497.14 mi (10,456.13 km) |
| San Diego to Roccastrada | 6,261.59 mi (10,077.06 km) |
| San Diego to Romano di Lombardia | 6,085.65 mi (9,793.91 km) |
| San Diego to Rome | 6,363.78 mi (10,241.52 km) |
| San Diego to Roncade | 6,163.98 mi (9,919.97 km) |
| San Diego to Ronchi dei Legionari | 6,187.79 mi (9,958.28 km) |
| San Diego to Ronciglione | 6,334.03 mi (10,193.63 km) |
| San Diego to Rosa | 6,139.97 mi (9,881.33 km) |
| San Diego to Rosarno | 6,662.85 mi (10,722.83 km) |
| San Diego to Rosignano Marittimo | 6,217.98 mi (10,006.88 km) |
