| Sleaford to Hutchinson (Minnesota) | 3,987.94 mi (6,417.97 km) |
| Sleaford to Hutto (Texas) | 4,838.97 mi (7,787.57 km) |
| Sleaford to Hyattsville (Maryland) | 3,615.86 mi (5,819.16 km) |
| Sleaford to Hybla Valley (Virginia) | 3,630.83 mi (5,843.26 km) |
| Sleaford to Idaho Falls (Idaho) | 4,638.11 mi (7,464.32 km) |
| Sleaford to Idylwood (Virginia) | 3,629.16 mi (5,840.56 km) |
| Sleaford to Ilchester (Maryland) | 3,596.50 mi (5,788.01 km) |
| Sleaford to Immokalee (Florida) | 4,416.55 mi (7,107.75 km) |
| Sleaford to Imperial (California) | 5,348.09 mi (8,606.92 km) |
| Sleaford to Imperial Beach (California) | 5,413.37 mi (8,711.98 km) |
| Sleaford to Independence (Kentucky) | 3,913.63 mi (6,298.37 km) |
| Sleaford to Independence (Missouri) | 4,274.96 mi (6,879.89 km) |
| Sleaford to Indian Trail (North Carolina) | 3,948.76 mi (6,354.92 km) |
| Sleaford to Indiana (Pennsylvania) | 3,625.60 mi (5,834.84 km) |
| Sleaford to Indianapolis (Indiana) | 3,934.91 mi (6,332.63 km) |
