| Sleaford to Red Bank (New Jersey) | 3,437.38 mi (5,531.93 km) |
| Sleaford to Red Bank (Tennessee) | 4,130.77 mi (6,647.84 km) |
| Sleaford to Red Bluff (California) | 5,125.23 mi (8,248.26 km) |
| Sleaford to Red Hill (South Carolina) | 3,946.54 mi (6,351.35 km) |
| Sleaford to Red Oak (Texas) | 4,705.22 mi (7,572.32 km) |
| Sleaford to Red Wing (Minnesota) | 3,940.54 mi (6,341.69 km) |
| Sleaford to Redan (Georgia) | 4,154.61 mi (6,686.20 km) |
| Sleaford to Redding (California) | 5,105.50 mi (8,216.50 km) |
| Sleaford to Redland (Maryland) | 3,615.44 mi (5,818.49 km) |
| Sleaford to Redlands (California) | 5,329.56 mi (8,577.09 km) |
| Sleaford to Redmond (Oregon) | 4,858.25 mi (7,818.60 km) |
| Sleaford to Redmond (Washington) | 4,686.11 mi (7,541.56 km) |
| Sleaford to Redondo Beach (California) | 5,378.57 mi (8,655.96 km) |
| Sleaford to Redwood City (California) | 5,281.41 mi (8,499.62 km) |
| Sleaford to Reedley (California) | 5,252.34 mi (8,452.82 km) |
