| Sleaford to Sunbury | 108.68 mi (174.91 km) |
| Sleaford to Sunderland | 137.71 mi (221.62 km) |
| Sleaford to Sunninghill | 110.58 mi (177.95 km) |
| Sleaford to Surbiton | 110.78 mi (178.28 km) |
| Sleaford to Sutton | 113.02 mi (181.89 km) |
| Sleaford to Sutton Coldfield | 66.05 mi (106.30 km) |
| Sleaford to Sutton in Ashfield | 36.32 mi (58.45 km) |
| Sleaford to Sutton on Hull | 54.39 mi (87.54 km) |
| Sleaford to Swadlincote | 50.10 mi (80.63 km) |
| Sleaford to Swallownest | 45.46 mi (73.17 km) |
| Sleaford to Swanage | 177.73 mi (286.03 km) |
| Sleaford to Swindon | 114.81 mi (184.78 km) |
| Sleaford to Swinton | 50.45 mi (81.18 km) |
| Sleaford to Swinton | 87.32 mi (140.52 km) |
| Sleaford to Syston | 34.54 mi (55.58 km) |
