| South San Francisco to Ratingen | 5,568.52 mi (8,961.66 km) |
| South San Francisco to Ratzeburg | 5,535.45 mi (8,908.44 km) |
| South San Francisco to Raubling | 5,903.48 mi (9,500.73 km) |
| South San Francisco to Rauenberg | 5,729.66 mi (9,220.99 km) |
| South San Francisco to Raunheim | 5,681.53 mi (9,143.53 km) |
| South San Francisco to Ravensburg | 5,836.79 mi (9,393.40 km) |
| South San Francisco to Recke | 5,533.31 mi (8,905.00 km) |
| South San Francisco to Recklinghausen | 5,561.39 mi (8,950.20 km) |
| South San Francisco to Regen | 5,862.60 mi (9,434.94 km) |
| South San Francisco to Regensburg | 5,832.99 mi (9,387.29 km) |
| South San Francisco to Regenstauf | 5,828.06 mi (9,379.36 km) |
| South San Francisco to Rehau | 5,761.17 mi (9,271.71 km) |
| South San Francisco to Rehburg-Loccum | 5,566.98 mi (8,959.18 km) |
| South San Francisco to Rehlingen-Siersburg | 5,668.44 mi (9,122.47 km) |
| South San Francisco to Reichelsheim | 5,708.62 mi (9,187.14 km) |
