| Sleaford to Ashwaubenon (Wisconsin) | 3,783.79 mi (6,089.42 km) |
| Sleaford to Aspen Hill (Maryland) | 3,614.82 mi (5,817.50 km) |
| Sleaford to Astoria (Oregon) | 4,815.86 mi (7,750.39 km) |
| Sleaford to Atascadero (California) | 5,354.56 mi (8,617.33 km) |
| Sleaford to Atascocita (Texas) | 4,779.33 mi (7,691.58 km) |
| Sleaford to Atchison (Kansas) | 4,279.49 mi (6,887.17 km) |
| Sleaford to Athens (Alabama) | 4,211.82 mi (6,778.26 km) |
| Sleaford to Athens (Georgia) | 4,112.49 mi (6,618.41 km) |
| Sleaford to Athens (Ohio) | 3,800.85 mi (6,116.87 km) |
| Sleaford to Athens (Tennessee) | 4,086.48 mi (6,576.56 km) |
| Sleaford to Athens (Texas) | 4,685.97 mi (7,541.33 km) |
| Sleaford to Atlanta (Georgia) | 4,163.64 mi (6,700.74 km) |
| Sleaford to Atlantic Beach (Florida) | 4,215.52 mi (6,784.22 km) |
| Sleaford to Atlantic City (New Jersey) | 3,496.81 mi (5,627.58 km) |
| Sleaford to Attleboro (Massachusetts) | 3,256.58 mi (5,240.96 km) |
