| South San Francisco to Radauti | 6,216.17 mi (10,003.96 km) |
| South San Francisco to Ramnicu Sarat | 6,393.57 mi (10,289.46 km) |
| South San Francisco to Ramnicu Valcea | 6,356.23 mi (10,229.36 km) |
| South San Francisco to Rasnov | 6,348.23 mi (10,216.48 km) |
| South San Francisco to Reghin | 6,258.98 mi (10,072.86 km) |
| South San Francisco to Resita | 6,289.89 mi (10,122.60 km) |
| South San Francisco to Roman | 6,293.05 mi (10,127.69 km) |
| South San Francisco to Rosiori de Vede | 6,431.27 mi (10,350.13 km) |
| South San Francisco to Rovinari | 6,342.02 mi (10,206.49 km) |
| South San Francisco to Roznov | 6,290.99 mi (10,124.37 km) |
| South San Francisco to Sabaoani | 6,286.05 mi (10,116.42 km) |
| South San Francisco to Sacele | 6,351.61 mi (10,221.93 km) |
| South San Francisco to Sacueni | 6,168.52 mi (9,927.28 km) |
| South San Francisco to Salcea | 6,236.93 mi (10,037.37 km) |
| South San Francisco to Salonta | 6,192.78 mi (9,966.31 km) |
