| South San Francisco to Sudbury | 5,359.02 mi (8,624.51 km) |
| South San Francisco to Sunbury | 5,356.54 mi (8,620.52 km) |
| South San Francisco to Sunderland | 5,156.06 mi (8,297.88 km) |
| South San Francisco to Sunninghill | 5,350.71 mi (8,611.14 km) |
| South San Francisco to Surbiton | 5,361.46 mi (8,628.44 km) |
| South San Francisco to Sutton | 5,366.17 mi (8,636.01 km) |
| South San Francisco to Sutton Coldfield | 5,258.57 mi (8,462.86 km) |
| South San Francisco to Sutton in Ashfield | 5,247.24 mi (8,444.62 km) |
| South San Francisco to Sutton on Hull | 5,242.02 mi (8,436.21 km) |
| South San Francisco to Swadlincote | 5,255.96 mi (8,458.65 km) |
| South San Francisco to Swallownest | 5,233.67 mi (8,422.77 km) |
| South San Francisco to Swanage | 5,350.81 mi (8,611.30 km) |
| South San Francisco to Swindon | 5,309.26 mi (8,544.43 km) |
| South San Francisco to Swinton | 5,227.77 mi (8,413.28 km) |
| South San Francisco to Swinton | 5,196.87 mi (8,363.55 km) |
