| Williamsport to Sudbury | 3,582.20 mi (5,765.00 km) |
| Williamsport to Sunbury | 3,551.21 mi (5,715.13 km) |
| Williamsport to Sunderland | 3,435.56 mi (5,528.99 km) |
| Williamsport to Sunninghill | 3,542.39 mi (5,700.92 km) |
| Williamsport to Surbiton | 3,556.64 mi (5,723.86 km) |
| Williamsport to Sutton | 3,561.80 mi (5,732.16 km) |
| Williamsport to Sutton Coldfield | 3,468.64 mi (5,582.23 km) |
| Williamsport to Sutton in Ashfield | 3,478.27 mi (5,597.74 km) |
| Williamsport to Sutton on Hull | 3,500.90 mi (5,634.15 km) |
| Williamsport to Swadlincote | 3,474.43 mi (5,591.56 km) |
| Williamsport to Swallownest | 3,470.52 mi (5,585.26 km) |
| Williamsport to Swanage | 3,508.32 mi (5,646.10 km) |
| Williamsport to Swindon | 3,493.19 mi (5,621.74 km) |
| Williamsport to Swinton | 3,468.16 mi (5,581.47 km) |
| Williamsport to Swinton | 3,427.55 mi (5,516.11 km) |
