| Sleaford to Port Chester (New York) | 3,391.96 mi (5,458.84 km) |
| Sleaford to Port Hueneme (California) | 5,386.56 mi (8,668.83 km) |
| Sleaford to Port Huron (Michigan) | 3,643.45 mi (5,863.57 km) |
| Sleaford to Port Lavaca (Texas) | 4,906.72 mi (7,896.61 km) |
| Sleaford to Port Neches (Texas) | 4,731.25 mi (7,614.22 km) |
| Sleaford to Port Orange (Florida) | 4,261.80 mi (6,858.71 km) |
| Sleaford to Port Orchard (Washington) | 4,709.30 mi (7,578.88 km) |
| Sleaford to Port Royal (South Carolina) | 4,085.27 mi (6,574.61 km) |
| Sleaford to Port Salerno (Florida) | 4,328.69 mi (6,966.35 km) |
| Sleaford to Port St. John (Florida) | 4,285.85 mi (6,897.40 km) |
| Sleaford to Port St. Lucie (Florida) | 4,329.97 mi (6,968.42 km) |
| Sleaford to Port Washington (New York) | 3,400.28 mi (5,472.22 km) |
| Sleaford to Port Washington (Wisconsin) | 3,827.80 mi (6,160.25 km) |
| Sleaford to Port Wentworth (Georgia) | 4,113.31 mi (6,619.73 km) |
| Sleaford to Portage (Indiana) | 3,887.08 mi (6,255.65 km) |
