| South San Francisco to Rivalta di Torino | 5,928.96 mi (9,541.75 km) |
| South San Francisco to Rivarolo Canavese | 5,918.54 mi (9,524.97 km) |
| South San Francisco to Rivoli | 5,926.99 mi (9,538.56 km) |
| South San Francisco to Rocca di Papa | 6,264.46 mi (10,081.67 km) |
| South San Francisco to Rocca Priora | 6,264.94 mi (10,082.45 km) |
| South San Francisco to Roccapiemonte | 6,378.84 mi (10,265.76 km) |
| South San Francisco to Roccastrada | 6,148.93 mi (9,895.75 km) |
| South San Francisco to Romano di Lombardia | 5,967.17 mi (9,603.24 km) |
| South San Francisco to Rome | 6,250.48 mi (10,059.18 km) |
| South San Francisco to Roncade | 6,034.16 mi (9,711.04 km) |
| South San Francisco to Ronchi dei Legionari | 6,052.35 mi (9,740.32 km) |
| South San Francisco to Ronciglione | 6,220.11 mi (10,010.30 km) |
| South San Francisco to Rosa | 6,012.26 mi (9,675.80 km) |
| South San Francisco to Rosarno | 6,548.42 mi (10,538.66 km) |
| South San Francisco to Rosignano Marittimo | 6,106.52 mi (9,827.50 km) |
