| Sleaford to Kucukcekmece | 1,590.33 mi (2,559.38 km) |
| Sleaford to Kucukkuyu | 1,574.97 mi (2,534.67 km) |
| Sleaford to Kulp | 2,193.83 mi (3,530.63 km) |
| Sleaford to Kulu | 1,847.04 mi (2,972.52 km) |
| Sleaford to Kumcati | 2,294.23 mi (3,692.21 km) |
| Sleaford to Kursunlu | 1,774.66 mi (2,856.04 km) |
| Sleaford to Kurtalan | 2,248.15 mi (3,618.04 km) |
| Sleaford to Kusadasi | 1,683.29 mi (2,709.00 km) |
| Sleaford to Kutahya | 1,710.15 mi (2,752.22 km) |
| Sleaford to Kuzuculu | 2,076.48 mi (3,341.78 km) |
| Sleaford to Lapseki | 1,539.13 mi (2,476.99 km) |
| Sleaford to Lice | 2,181.38 mi (3,510.60 km) |
| Sleaford to Luleburgaz | 1,515.48 mi (2,438.93 km) |
| Sleaford to Macka | 2,034.89 mi (3,274.83 km) |
| Sleaford to Malatya | 2,091.19 mi (3,365.45 km) |
