| Sleaford to Archdale (North Carolina) | 3,880.80 mi (6,245.54 km) |
| Sleaford to Arden-Arcade (California) | 5,192.77 mi (8,356.95 km) |
| Sleaford to Ardmore (Oklahoma) | 4,629.70 mi (7,450.78 km) |
| Sleaford to Ardmore (Pennsylvania) | 3,501.88 mi (5,635.73 km) |
| Sleaford to Arecibo (Puerto Rico) | 4,227.50 mi (6,803.50 km) |
| Sleaford to Arkadelphia (Arkansas) | 4,481.12 mi (7,211.67 km) |
| Sleaford to Arkansas City (Kansas) | 4,476.25 mi (7,203.83 km) |
| Sleaford to Arlington (Tennessee) | 4,293.06 mi (6,909.01 km) |
| Sleaford to Arlington (Texas) | 4,708.47 mi (7,577.56 km) |
| Sleaford to Arlington (Virginia) | 3,625.52 mi (5,834.71 km) |
| Sleaford to Arlington (Washington) | 4,658.40 mi (7,496.96 km) |
| Sleaford to Arlington Heights (Illinois) | 3,892.59 mi (6,264.52 km) |
| Sleaford to Arnold (Maryland) | 3,593.85 mi (5,783.74 km) |
| Sleaford to Arnold (Missouri) | 4,160.69 mi (6,695.98 km) |
| Sleaford to Arroyo Grande (California) | 5,372.49 mi (8,646.19 km) |
