| South San Francisco to Rende | 6,504.33 mi (10,467.72 km) |
| South San Francisco to Resana | 6,022.03 mi (9,691.52 km) |
| South San Francisco to Rescaldina | 5,938.70 mi (9,557.42 km) |
| South San Francisco to Rezzato | 5,983.35 mi (9,629.27 km) |
| South San Francisco to Rho | 5,945.73 mi (9,568.73 km) |
| South San Francisco to Ribera | 6,525.67 mi (10,502.04 km) |
| South San Francisco to Riccione Marina | 6,134.61 mi (9,872.70 km) |
| South San Francisco to Riesi | 6,562.87 mi (10,561.92 km) |
| South San Francisco to Rieti | 6,231.89 mi (10,029.26 km) |
| South San Francisco to Rignano Flaminio | 6,232.94 mi (10,030.94 km) |
| South San Francisco to Rignano sull'Arno | 6,116.59 mi (9,843.71 km) |
| South San Francisco to Rimini | 6,128.94 mi (9,863.57 km) |
| South San Francisco to Rionero in Vulture | 6,396.98 mi (10,294.95 km) |
| South San Francisco to Riposto | 6,569.87 mi (10,573.19 km) |
| South San Francisco to Riva del Garda | 5,977.52 mi (9,619.89 km) |
