| Walthamstow to Sudbury | 44.99 mi (72.41 km) |
| Walthamstow to Sunbury | 20.59 mi (33.14 km) |
| Walthamstow to Sunderland | 236.30 mi (380.29 km) |
| Walthamstow to Sunninghill | 30.02 mi (48.31 km) |
| Walthamstow to Surbiton | 17.99 mi (28.96 km) |
| Walthamstow to Sutton | 16.87 mi (27.15 km) |
| Walthamstow to Sutton Coldfield | 102.10 mi (164.31 km) |
| Walthamstow to Sutton in Ashfield | 118.63 mi (190.92 km) |
| Walthamstow to Sutton on Hull | 152.23 mi (245.00 km) |
| Walthamstow to Swadlincote | 104.85 mi (168.75 km) |
| Walthamstow to Swallownest | 134.56 mi (216.56 km) |
| Walthamstow to Swanage | 107.82 mi (173.52 km) |
| Walthamstow to Swindon | 75.55 mi (121.59 km) |
| Walthamstow to Swinton | 142.32 mi (229.05 km) |
| Walthamstow to Swinton | 165.06 mi (265.64 km) |
