| Washington to Sudbury | 218.03 mi (350.89 km) |
| Washington to Sunbury | 244.48 mi (393.46 km) |
| Washington to Sunderland | 5.54 mi (8.91 km) |
| Washington to Sunninghill | 244.29 mi (393.15 km) |
| Washington to Surbiton | 247.39 mi (398.14 km) |
| Washington to Sutton | 250.28 mi (402.79 km) |
| Washington to Sutton Coldfield | 161.94 mi (260.62 km) |
| Washington to Sutton in Ashfield | 123.09 mi (198.09 km) |
| Washington to Sutton on Hull | 91.53 mi (147.30 km) |
| Washington to Swadlincote | 146.90 mi (236.41 km) |
| Washington to Swallownest | 106.54 mi (171.46 km) |
| Washington to Swanage | 297.12 mi (478.16 km) |
| Washington to Swindon | 231.02 mi (371.79 km) |
| Washington to Swinton | 97.93 mi (157.61 km) |
| Washington to Swinton | 101.47 mi (163.29 km) |
