| Sleaford to Kenosha (Wisconsin) | 3,865.30 mi (6,220.59 km) |
| Sleaford to Kent (Ohio) | 3,686.78 mi (5,933.29 km) |
| Sleaford to Kent (Washington) | 4,705.14 mi (7,572.20 km) |
| Sleaford to Kentwood (Michigan) | 3,766.44 mi (6,061.50 km) |
| Sleaford to Kerman (California) | 5,263.45 mi (8,470.70 km) |
| Sleaford to Kernersville (North Carolina) | 3,875.93 mi (6,237.71 km) |
| Sleaford to Kerrville (Texas) | 4,925.59 mi (7,926.97 km) |
| Sleaford to Kettering (Maryland) | 3,612.64 mi (5,813.98 km) |
| Sleaford to Kettering (Ohio) | 3,862.53 mi (6,216.13 km) |
| Sleaford to Kewanee (Illinois) | 4,005.69 mi (6,446.54 km) |
| Sleaford to Key Biscayne (Florida) | 4,402.92 mi (7,085.81 km) |
| Sleaford to Key Largo (Florida) | 4,442.60 mi (7,149.67 km) |
| Sleaford to Key West (Florida) | 4,527.86 mi (7,286.89 km) |
| Sleaford to Keystone (Florida) | 4,376.42 mi (7,043.16 km) |
| Sleaford to Kihei (Hawaii) | 7,141.67 mi (11,493.41 km) |
