| Sleaford to Kinston (North Carolina) | 3,816.40 mi (6,141.90 km) |
| Sleaford to Kirkland (Washington) | 4,687.20 mi (7,543.32 km) |
| Sleaford to Kirksville (Missouri) | 4,154.28 mi (6,685.67 km) |
| Sleaford to Kirkwood (Missouri) | 4,155.03 mi (6,686.87 km) |
| Sleaford to Kiryas Joel (New York) | 3,396.76 mi (5,466.55 km) |
| Sleaford to Kissimmee (Florida) | 4,319.37 mi (6,951.36 km) |
| Sleaford to Klamath Falls (Oregon) | 4,992.87 mi (8,035.25 km) |
| Sleaford to Knightdale (North Carolina) | 3,827.74 mi (6,160.15 km) |
| Sleaford to Knik-Fairview (Alaska) | 4,347.40 mi (6,996.46 km) |
| Sleaford to Knoxville (Tennessee) | 4,035.50 mi (6,494.52 km) |
| Sleaford to Kokomo (Indiana) | 3,901.19 mi (6,278.37 km) |
| Sleaford to Kuna (Idaho) | 4,767.70 mi (7,672.87 km) |
| Sleaford to Kyle (Texas) | 4,881.07 mi (7,855.33 km) |
| Sleaford to La Cañada Flintridge (California) | 5,352.67 mi (8,614.29 km) |
| Sleaford to La Crescenta-Montrose (California) | 5,352.46 mi (8,613.95 km) |
