| Sleaford to Alum Rock (California) | 5,277.61 mi (8,493.50 km) |
| Sleaford to Alvin (Texas) | 4,814.44 mi (7,748.10 km) |
| Sleaford to Amarillo (Texas) | 4,748.00 mi (7,641.17 km) |
| Sleaford to Amelia (Ohio) | 3,897.36 mi (6,272.19 km) |
| Sleaford to American Canyon (California) | 5,242.59 mi (8,437.14 km) |
| Sleaford to American Fork (Utah) | 4,802.05 mi (7,728.16 km) |
| Sleaford to Americus (Georgia) | 4,240.78 mi (6,824.87 km) |
| Sleaford to Ames (Iowa) | 4,101.56 mi (6,600.82 km) |
| Sleaford to Amherst (Ohio) | 3,708.42 mi (5,968.13 km) |
| Sleaford to Ammon (Idaho) | 4,636.38 mi (7,461.54 km) |
| Sleaford to Amsterdam (New York) | 3,327.09 mi (5,354.44 km) |
| Sleaford to Anacortes (Washington) | 4,652.43 mi (7,487.36 km) |
| Sleaford to Anaheim (California) | 5,363.40 mi (8,631.57 km) |
| Sleaford to Anchorage (Alaska) | 4,364.59 mi (7,024.13 km) |
| Sleaford to Anderson (California) | 5,110.57 mi (8,224.67 km) |
