| Severn to Sudbury | 3,663.39 mi (5,895.66 km) |
| Severn to Sunbury | 3,630.18 mi (5,842.20 km) |
| Severn to Sunderland | 3,523.00 mi (5,669.72 km) |
| Severn to Sunninghill | 3,621.17 mi (5,827.70 km) |
| Severn to Surbiton | 3,635.59 mi (5,850.92 km) |
| Severn to Sutton | 3,640.74 mi (5,859.21 km) |
| Severn to Sutton Coldfield | 3,549.81 mi (5,712.86 km) |
| Severn to Sutton in Ashfield | 3,561.19 mi (5,731.18 km) |
| Severn to Sutton on Hull | 3,585.96 mi (5,771.04 km) |
| Severn to Swadlincote | 3,556.29 mi (5,723.29 km) |
| Severn to Swallownest | 3,554.01 mi (5,719.63 km) |
| Severn to Swanage | 3,584.27 mi (5,768.33 km) |
| Severn to Swindon | 3,571.75 mi (5,748.17 km) |
| Severn to Swinton | 3,551.99 mi (5,716.38 km) |
| Severn to Swinton | 3,510.95 mi (5,650.33 km) |
