| Sleaford to Ascoli Piceno | 951.37 mi (1,531.08 km) |
| Sleaford to Asola | 725.68 mi (1,167.86 km) |
| Sleaford to Asolo | 742.86 mi (1,195.52 km) |
| Sleaford to Assemini | 1,047.08 mi (1,685.12 km) |
| Sleaford to Assisi | 909.44 mi (1,463.61 km) |
| Sleaford to Asti | 681.52 mi (1,096.80 km) |
| Sleaford to Atessa | 1,021.20 mi (1,643.46 km) |
| Sleaford to Atri | 978.37 mi (1,574.53 km) |
| Sleaford to Atripalda | 1,096.76 mi (1,765.06 km) |
| Sleaford to Augusta | 1,321.98 mi (2,127.52 km) |
| Sleaford to Aulla | 768.34 mi (1,236.52 km) |
| Sleaford to Aurisina | 808.70 mi (1,301.47 km) |
| Sleaford to Avellino | 1,095.65 mi (1,763.28 km) |
| Sleaford to Aversa | 1,075.24 mi (1,730.43 km) |
| Sleaford to Avezzano | 991.87 mi (1,596.25 km) |
