| Sleaford to Jicin | 696.04 mi (1,120.16 km) |
| Sleaford to Jihlava | 734.19 mi (1,181.56 km) |
| Sleaford to Jindrichuv Hradec | 718.48 mi (1,156.29 km) |
| Sleaford to Jirkov | 616.38 mi (991.97 km) |
| Sleaford to Kadan | 612.39 mi (985.55 km) |
| Sleaford to Karlovy Vary | 600.13 mi (965.82 km) |
| Sleaford to Karvina | 842.24 mi (1,355.46 km) |
| Sleaford to Kladno | 652.18 mi (1,049.59 km) |
| Sleaford to Klasterec nad Ohri | 608.10 mi (978.63 km) |
| Sleaford to Klatovy | 642.26 mi (1,033.61 km) |
| Sleaford to Kolin | 700.37 mi (1,127.14 km) |
| Sleaford to Koprivnice | 832.68 mi (1,340.07 km) |
| Sleaford to Kralupy nad Vltavou | 658.37 mi (1,059.55 km) |
| Sleaford to Kraluv Dvur | 655.08 mi (1,054.25 km) |
| Sleaford to Krnov | 801.35 mi (1,289.64 km) |
