| Sleaford to Yverdon-les-Bains | 531.57 mi (855.48 km) |
| Sleaford to Zofingen | 540.05 mi (869.13 km) |
| Sleaford to Zollikon | 556.83 mi (896.14 km) |
| Sleaford to Zuchwil | 533.13 mi (858.00 km) |
| Sleaford to Zug | 563.91 mi (907.52 km) |
| Sleaford to Zurich | 554.02 mi (891.60 km) |
| Sleaford to Ra's al `Ayn | 2,231.77 mi (3,591.69 km) |
| Sleaford to Tall Abyad | 2,194.10 mi (3,531.07 km) |
| Sleaford to Acarlar | 1,703.43 mi (2,741.40 km) |
| Sleaford to Acigol | 1,929.20 mi (3,104.75 km) |
| Sleaford to Acipayam | 1,783.41 mi (2,870.12 km) |
| Sleaford to Adakli | 2,139.32 mi (3,442.90 km) |
| Sleaford to Adana | 2,034.79 mi (3,274.68 km) |
| Sleaford to Adilcevaz | 2,251.42 mi (3,623.30 km) |
| Sleaford to Adiyaman | 2,116.56 mi (3,406.28 km) |
