| Sleaford to Aldine (Texas) | 4,789.82 mi (7,708.48 km) |
| Sleaford to Alexander City (Alabama) | 4,265.78 mi (6,865.12 km) |
| Sleaford to Alexandria (Louisiana) | 4,605.14 mi (7,411.26 km) |
| Sleaford to Alexandria (Minnesota) | 3,974.19 mi (6,395.83 km) |
| Sleaford to Alexandria (Virginia) | 3,627.72 mi (5,838.26 km) |
| Sleaford to Algonquin (Illinois) | 3,901.70 mi (6,279.18 km) |
| Sleaford to Alhambra (California) | 5,357.93 mi (8,622.76 km) |
| Sleaford to Alice (Texas) | 5,008.12 mi (8,059.79 km) |
| Sleaford to Aliso Viejo (California) | 5,374.39 mi (8,649.25 km) |
| Sleaford to Allen (Texas) | 4,669.98 mi (7,515.61 km) |
| Sleaford to Allen Park (Michigan) | 3,705.99 mi (5,964.21 km) |
| Sleaford to Allendale (Michigan) | 3,775.10 mi (6,075.44 km) |
| Sleaford to Allentown (Pennsylvania) | 3,482.10 mi (5,603.90 km) |
| Sleaford to Alliance (Ohio) | 3,688.50 mi (5,936.07 km) |
| Sleaford to Allison Park (Pennsylvania) | 3,659.25 mi (5,888.99 km) |
