| Sleaford to Frederick (Maryland) | 3,612.13 mi (5,813.16 km) |
| Sleaford to Fredericksburg (Texas) | 4,903.79 mi (7,891.88 km) |
| Sleaford to Fredericksburg (Virginia) | 3,667.97 mi (5,903.02 km) |
| Sleaford to Frederickson (Washington) | 4,726.09 mi (7,605.91 km) |
| Sleaford to Freeport (Illinois) | 3,944.17 mi (6,347.52 km) |
| Sleaford to Freeport (New York) | 3,404.50 mi (5,479.01 km) |
| Sleaford to Freeport (Texas) | 4,840.49 mi (7,790.02 km) |
| Sleaford to Fremont (California) | 5,273.05 mi (8,486.15 km) |
| Sleaford to Fremont (Nebraska) | 4,232.87 mi (6,812.15 km) |
| Sleaford to Fremont (Ohio) | 3,744.52 mi (6,026.22 km) |
| Sleaford to French Valley (California) | 5,353.54 mi (8,615.69 km) |
| Sleaford to Fresno (California) | 5,252.04 mi (8,452.34 km) |
| Sleaford to Fresno (Texas) | 4,813.32 mi (7,746.29 km) |
| Sleaford to Fridley (Minnesota) | 3,939.37 mi (6,339.81 km) |
| Sleaford to Friendly (Maryland) | 3,625.60 mi (5,834.84 km) |
