| Redwood City to Rivalta di Torino | 5,931.95 mi (9,546.55 km) |
| Redwood City to Rivarolo Canavese | 5,921.60 mi (9,529.89 km) |
| Redwood City to Rivoli | 5,929.97 mi (9,543.37 km) |
| Redwood City to Rocca di Papa | 6,267.73 mi (10,086.94 km) |
| Redwood City to Rocca Priora | 6,268.23 mi (10,087.74 km) |
| Redwood City to Roccapiemonte | 6,382.29 mi (10,271.31 km) |
| Redwood City to Roccastrada | 6,152.15 mi (9,900.93 km) |
| Redwood City to Romano di Lombardia | 5,970.55 mi (9,608.67 km) |
| Redwood City to Rome | 6,253.74 mi (10,064.42 km) |
| Redwood City to Roncade | 6,037.93 mi (9,717.11 km) |
| Redwood City to Ronchi dei Legionari | 6,056.32 mi (9,746.71 km) |
| Redwood City to Ronciglione | 6,223.38 mi (10,015.56 km) |
| Redwood City to Rosa | 6,015.96 mi (9,681.75 km) |
| Redwood City to Rosarno | 6,551.77 mi (10,544.05 km) |
| Redwood City to Rosignano Marittimo | 6,109.69 mi (9,832.60 km) |
