| Sleaford to Grosuplje | 830.60 mi (1,336.71 km) |
| Sleaford to Hodos | 855.00 mi (1,375.99 km) |
| Sleaford to Horjul | 814.60 mi (1,310.98 km) |
| Sleaford to Hrastnik | 840.00 mi (1,351.85 km) |
| Sleaford to Hrib-Loski Potok | 839.90 mi (1,351.69 km) |
| Sleaford to Idrija | 805.87 mi (1,296.92 km) |
| Sleaford to Ig | 825.74 mi (1,328.90 km) |
| Sleaford to Ilirska Bistrica | 834.20 mi (1,342.51 km) |
| Sleaford to Ivancna Gorica | 836.70 mi (1,346.54 km) |
| Sleaford to Izola | 815.34 mi (1,312.17 km) |
| Sleaford to Jesenice | 787.27 mi (1,266.99 km) |
| Sleaford to Jurovski Dol | 843.42 mi (1,357.36 km) |
| Sleaford to Jursinci | 855.83 mi (1,377.32 km) |
| Sleaford to Kamnik | 816.77 mi (1,314.46 km) |
| Sleaford to Kanal | 787.95 mi (1,268.08 km) |
