| Sleaford to Sentrupert | 845.33 mi (1,360.43 km) |
| Sleaford to Sevnica | 851.72 mi (1,370.71 km) |
| Sleaford to Sezana | 814.34 mi (1,310.56 km) |
| Sleaford to Skocjan | 855.84 mi (1,377.34 km) |
| Sleaford to Skofja Loka | 808.20 mi (1,300.67 km) |
| Sleaford to Skofljica | 826.41 mi (1,329.97 km) |
| Sleaford to Slovenj Gradec | 821.46 mi (1,322.01 km) |
| Sleaford to Slovenska Bistrica | 845.04 mi (1,359.96 km) |
| Sleaford to Slovenske Konjice | 841.64 mi (1,354.49 km) |
| Sleaford to Smarje | 849.95 mi (1,367.87 km) |
| Sleaford to Smarjeske Toplice | 855.30 mi (1,376.47 km) |
| Sleaford to Smartno | 833.46 mi (1,341.32 km) |
| Sleaford to Smartno | 827.56 mi (1,331.83 km) |
| Sleaford to Sodrazica | 838.77 mi (1,349.86 km) |
| Sleaford to Solcava | 811.05 mi (1,305.26 km) |
