| Sleaford to Karis | 1,031.22 mi (1,659.59 km) |
| Sleaford to Karkkila | 1,059.14 mi (1,704.52 km) |
| Sleaford to Kauhajoki | 1,049.04 mi (1,688.27 km) |
| Sleaford to Kauhava | 1,095.65 mi (1,763.27 km) |
| Sleaford to Kauniainen | 1,069.39 mi (1,721.02 km) |
| Sleaford to Kemi | 1,228.30 mi (1,976.76 km) |
| Sleaford to Kemijarvi | 1,332.14 mi (2,143.87 km) |
| Sleaford to Kempele | 1,221.46 mi (1,965.75 km) |
| Sleaford to Kerava | 1,085.04 mi (1,746.21 km) |
| Sleaford to Keuruu | 1,116.93 mi (1,797.52 km) |
| Sleaford to Kiiminki | 1,235.84 mi (1,988.89 km) |
| Sleaford to Kirkkonummi | 1,056.98 mi (1,701.05 km) |
| Sleaford to Kitee | 1,278.30 mi (2,057.23 km) |
| Sleaford to Kiuruvesi | 1,210.91 mi (1,948.77 km) |
| Sleaford to Kivisto | 1,075.19 mi (1,730.35 km) |
