| Sleaford to Reidsville (North Carolina) | 3,848.36 mi (6,193.34 km) |
| Sleaford to Reisterstown (Maryland) | 3,587.38 mi (5,773.32 km) |
| Sleaford to Rendon (Texas) | 4,718.98 mi (7,594.47 km) |
| Sleaford to Reno (Nevada) | 5,093.15 mi (8,196.63 km) |
| Sleaford to Renton (Washington) | 4,699.43 mi (7,563.01 km) |
| Sleaford to Republic (Missouri) | 4,340.17 mi (6,984.83 km) |
| Sleaford to Reston (Virginia) | 3,631.93 mi (5,845.03 km) |
| Sleaford to Revere (Massachusetts) | 3,223.82 mi (5,188.24 km) |
| Sleaford to Rexburg (Idaho) | 4,612.29 mi (7,422.76 km) |
| Sleaford to Reynoldsburg (Ohio) | 3,797.84 mi (6,112.04 km) |
| Sleaford to Rialto (California) | 5,332.60 mi (8,581.99 km) |
| Sleaford to Richardson (Texas) | 4,678.55 mi (7,529.41 km) |
| Sleaford to Richfield (Minnesota) | 3,950.22 mi (6,357.26 km) |
| Sleaford to Richfield (Wisconsin) | 3,847.81 mi (6,192.46 km) |
| Sleaford to Richland (Washington) | 4,691.18 mi (7,549.72 km) |
