| Sleaford to Accokeek (Maryland) | 3,631.11 mi (5,843.70 km) |
| Sleaford to Acworth (Georgia) | 4,158.82 mi (6,692.97 km) |
| Sleaford to Ada (Oklahoma) | 4,582.78 mi (7,375.27 km) |
| Sleaford to Addison (Illinois) | 3,901.40 mi (6,278.69 km) |
| Sleaford to Addison (Texas) | 4,683.95 mi (7,538.08 km) |
| Sleaford to Adelanto (California) | 5,307.43 mi (8,541.48 km) |
| Sleaford to Adelphi (Maryland) | 3,614.38 mi (5,816.78 km) |
| Sleaford to Adrian (Michigan) | 3,754.35 mi (6,042.05 km) |
| Sleaford to Affton (Missouri) | 4,152.95 mi (6,683.52 km) |
| Sleaford to Agoura Hills (California) | 5,373.50 mi (8,647.81 km) |
| Sleaford to Aguadilla (Puerto Rico) | 4,245.20 mi (6,832.00 km) |
| Sleaford to Aiken (South Carolina) | 4,067.93 mi (6,546.70 km) |
| Sleaford to Akron (Ohio) | 3,696.19 mi (5,948.44 km) |
| Sleaford to Alabaster (Alabama) | 4,285.70 mi (6,897.17 km) |
| Sleaford to Alachua (Florida) | 4,287.32 mi (6,899.78 km) |
