| Sleaford to Cutrofiano | 1,247.37 mi (2,007.45 km) |
| Sleaford to Dalmine | 677.68 mi (1,090.62 km) |
| Sleaford to Deruta | 908.59 mi (1,462.24 km) |
| Sleaford to Desenzano del Garda | 715.73 mi (1,151.85 km) |
| Sleaford to Desio | 668.27 mi (1,075.47 km) |
| Sleaford to Dolianova | 1,044.42 mi (1,680.84 km) |
| Sleaford to Dolo | 766.93 mi (1,234.26 km) |
| Sleaford to Domodossola | 614.05 mi (988.21 km) |
| Sleaford to Dorgali | 994.97 mi (1,601.25 km) |
| Sleaford to Dueville | 739.26 mi (1,189.73 km) |
| Sleaford to Eboli | 1,120.65 mi (1,803.50 km) |
| Sleaford to Elmas | 1,049.15 mi (1,688.45 km) |
| Sleaford to Empoli | 824.54 mi (1,326.98 km) |
| Sleaford to Enna | 1,277.89 mi (2,056.57 km) |
| Sleaford to Eraclea | 779.30 mi (1,254.16 km) |
