| Sleaford to Kolarovo | 879.33 mi (1,415.14 km) |
| Sleaford to Komarno | 890.03 mi (1,432.37 km) |
| Sleaford to Kosice | 985.64 mi (1,586.23 km) |
| Sleaford to Krompachy | 964.34 mi (1,551.96 km) |
| Sleaford to Kysucke Nove Mesto | 867.48 mi (1,396.07 km) |
| Sleaford to Levice | 893.71 mi (1,438.29 km) |
| Sleaford to Levoca | 949.34 mi (1,527.82 km) |
| Sleaford to Liptovsky Mikulas | 907.12 mi (1,459.86 km) |
| Sleaford to Lucenec | 933.02 mi (1,501.55 km) |
| Sleaford to Malacky | 822.43 mi (1,323.57 km) |
| Sleaford to Martin | 879.80 mi (1,415.90 km) |
| Sleaford to Michalovce | 1,011.79 mi (1,628.31 km) |
| Sleaford to Modra | 837.60 mi (1,347.99 km) |
| Sleaford to Moldava nad Bodvou | 978.71 mi (1,575.08 km) |
| Sleaford to Myjava | 834.21 mi (1,342.53 km) |
