| Sleaford to Dallas (Texas) | 4,690.10 mi (7,547.98 km) |
| Sleaford to Dalton (Georgia) | 4,135.11 mi (6,654.81 km) |
| Sleaford to Daly City (California) | 5,277.61 mi (8,493.50 km) |
| Sleaford to Damascus (Maryland) | 3,611.07 mi (5,811.46 km) |
| Sleaford to Damascus (Oregon) | 4,824.81 mi (7,764.78 km) |
| Sleaford to Dana Point (California) | 5,379.50 mi (8,657.47 km) |
| Sleaford to Danbury (Connecticut) | 3,366.47 mi (5,417.81 km) |
| Sleaford to Dania Beach (Florida) | 4,383.75 mi (7,054.97 km) |
| Sleaford to Danville (California) | 5,255.87 mi (8,458.50 km) |
| Sleaford to Danville (Illinois) | 3,972.69 mi (6,393.42 km) |
| Sleaford to Danville (Indiana) | 3,949.34 mi (6,355.86 km) |
| Sleaford to Danville (Kentucky) | 3,985.91 mi (6,414.70 km) |
| Sleaford to Danville (Virginia) | 3,826.03 mi (6,157.41 km) |
| Sleaford to Daphne (Alabama) | 4,460.04 mi (7,177.75 km) |
| Sleaford to Darby (Pennsylvania) | 3,504.30 mi (5,639.62 km) |
