| Sleaford to Dover (New Jersey) | 3,432.72 mi (5,524.43 km) |
| Sleaford to Dover (Ohio) | 3,720.21 mi (5,987.10 km) |
| Sleaford to Downers Grove (Illinois) | 3,908.25 mi (6,289.72 km) |
| Sleaford to Downey (California) | 5,366.25 mi (8,636.15 km) |
| Sleaford to Dranesville (Virginia) | 3,630.72 mi (5,843.08 km) |
| Sleaford to Draper (Utah) | 4,797.60 mi (7,721.00 km) |
| Sleaford to Drexel Heights (Arizona) | 5,237.24 mi (8,428.53 km) |
| Sleaford to Drexel Hill (Pennsylvania) | 3,504.70 mi (5,640.26 km) |
| Sleaford to Duarte (California) | 5,347.69 mi (8,606.28 km) |
| Sleaford to Dublin (California) | 5,259.38 mi (8,464.15 km) |
| Sleaford to Dublin (Georgia) | 4,165.66 mi (6,703.98 km) |
| Sleaford to Dublin (Ohio) | 3,804.16 mi (6,122.20 km) |
| Sleaford to Dubuque (Iowa) | 3,973.11 mi (6,394.11 km) |
| Sleaford to Duluth (Georgia) | 4,140.72 mi (6,663.84 km) |
| Sleaford to Duluth (Minnesota) | 3,819.80 mi (6,147.38 km) |
