| Niles to Sudbury | 3,962.42 mi (6,376.90 km) |
| Niles to Sunbury | 3,938.91 mi (6,339.06 km) |
| Niles to Sunderland | 3,796.22 mi (6,109.43 km) |
| Niles to Sunninghill | 3,930.75 mi (6,325.94 km) |
| Niles to Surbiton | 3,944.30 mi (6,347.74 km) |
| Niles to Sutton | 3,949.44 mi (6,356.01 km) |
| Niles to Sutton Coldfield | 3,850.13 mi (6,196.19 km) |
| Niles to Sutton in Ashfield | 3,853.94 mi (6,202.32 km) |
| Niles to Sutton on Hull | 3,869.07 mi (6,226.67 km) |
| Niles to Swadlincote | 3,853.63 mi (6,201.82 km) |
| Niles to Swallownest | 3,844.33 mi (6,186.85 km) |
| Niles to Swanage | 3,905.78 mi (6,285.75 km) |
| Niles to Swindon | 3,882.74 mi (6,248.67 km) |
| Niles to Swinton | 3,840.90 mi (6,181.33 km) |
| Niles to Swinton | 3,802.16 mi (6,118.98 km) |
