| Sleaford to Rury | 976.11 mi (1,570.89 km) |
| Sleaford to Rybnik | 836.69 mi (1,346.52 km) |
| Sleaford to Ryki | 944.68 mi (1,520.31 km) |
| Sleaford to Rypin | 822.70 mi (1,324.00 km) |
| Sleaford to Rzeszow | 980.91 mi (1,578.62 km) |
| Sleaford to Sandomierz | 955.56 mi (1,537.83 km) |
| Sleaford to Sanok | 1,002.15 mi (1,612.80 km) |
| Sleaford to Sedziszow Malopolski | 967.64 mi (1,557.26 km) |
| Sleaford to Sepolno Krajenskie | 740.94 mi (1,192.42 km) |
| Sleaford to Sidlice | 782.08 mi (1,258.63 km) |
| Sleaford to Siechnice | 757.09 mi (1,218.42 km) |
| Sleaford to Siedlce | 950.13 mi (1,529.09 km) |
| Sleaford to Siemianowice Slaskie | 850.02 mi (1,367.97 km) |
| Sleaford to Siemiatycze | 970.79 mi (1,562.34 km) |
| Sleaford to Sieradz | 812.97 mi (1,308.35 km) |
