| Sleaford to Alhendin | 1,108.18 mi (1,783.44 km) |
| Sleaford to Alicante | 1,012.27 mi (1,629.09 km) |
| Sleaford to Aljaraque | 1,132.27 mi (1,822.21 km) |
| Sleaford to Almagro | 987.31 mi (1,588.93 km) |
| Sleaford to Almansa | 976.68 mi (1,571.81 km) |
| Sleaford to Almazora | 902.21 mi (1,451.97 km) |
| Sleaford to Almendralejo | 1,029.37 mi (1,656.61 km) |
| Sleaford to Almeria | 1,120.65 mi (1,803.51 km) |
| Sleaford to Almonte | 1,125.76 mi (1,811.74 km) |
| Sleaford to Almoradi | 1,028.70 mi (1,655.53 km) |
| Sleaford to Almunecar | 1,134.71 mi (1,826.13 km) |
| Sleaford to Almusafes | 946.97 mi (1,524.00 km) |
| Sleaford to Alovera | 866.96 mi (1,395.24 km) |
| Sleaford to Alpedrete | 869.16 mi (1,398.78 km) |
| Sleaford to Altea | 994.91 mi (1,601.16 km) |
