| Alenquer to Sunbury | 950.10 mi (1,529.05 km) |
| Alenquer to Sunderland | 1,151.51 mi (1,853.18 km) |
| Alenquer to Sunninghill | 944.06 mi (1,519.31 km) |
| Alenquer to Surbiton | 950.84 mi (1,530.22 km) |
| Alenquer to Sutton | 951.51 mi (1,531.30 km) |
| Alenquer to Sutton Coldfield | 994.68 mi (1,600.78 km) |
| Alenquer to Sutton in Ashfield | 1,039.61 mi (1,673.10 km) |
| Alenquer to Sutton on Hull | 1,097.19 mi (1,765.76 km) |
| Alenquer to Swadlincote | 1,012.46 mi (1,629.39 km) |
| Alenquer to Swallownest | 1,053.59 mi (1,695.58 km) |
| Alenquer to Swanage | 869.26 mi (1,398.94 km) |
| Alenquer to Swindon | 932.04 mi (1,499.97 km) |
| Alenquer to Swinton | 1,061.72 mi (1,708.67 km) |
| Alenquer to Swinton | 1,047.72 mi (1,686.14 km) |
| Alenquer to Syston | 1,015.99 mi (1,635.07 km) |
