| Sleaford to Kanjiza | 1,029.97 mi (1,657.57 km) |
| Sleaford to Kikinda | 1,054.97 mi (1,697.81 km) |
| Sleaford to Kladovo | 1,189.88 mi (1,914.92 km) |
| Sleaford to Knic | 1,146.96 mi (1,845.86 km) |
| Sleaford to Knjazevac | 1,230.93 mi (1,980.98 km) |
| Sleaford to Koceljeva | 1,087.83 mi (1,750.70 km) |
| Sleaford to Kosjeric | 1,113.10 mi (1,791.36 km) |
| Sleaford to Kovacica | 1,091.30 mi (1,756.28 km) |
| Sleaford to Kovin | 1,119.97 mi (1,802.42 km) |
| Sleaford to Kragujevac | 1,151.04 mi (1,852.42 km) |
| Sleaford to Kraljevo | 1,154.58 mi (1,858.12 km) |
| Sleaford to Krupanj | 1,075.91 mi (1,731.51 km) |
| Sleaford to Krusevac | 1,185.07 mi (1,907.18 km) |
| Sleaford to Kucevo | 1,158.41 mi (1,864.29 km) |
| Sleaford to Kula | 1,028.83 mi (1,655.74 km) |
