| Sleaford to Robertsville (New Jersey) | 3,446.79 mi (5,547.08 km) |
| Sleaford to Robinson (Texas) | 4,774.50 mi (7,683.81 km) |
| Sleaford to Robstown (Texas) | 4,990.89 mi (8,032.06 km) |
| Sleaford to Rochester (Michigan) | 3,682.80 mi (5,926.89 km) |
| Sleaford to Rochester (Minnesota) | 3,963.43 mi (6,378.53 km) |
| Sleaford to Rochester (New Hampshire) | 3,185.08 mi (5,125.89 km) |
| Sleaford to Rochester (New York) | 3,450.57 mi (5,553.15 km) |
| Sleaford to Rochester Hills (Michigan) | 3,685.20 mi (5,930.75 km) |
| Sleaford to Rock Hill (South Carolina) | 3,970.17 mi (6,389.38 km) |
| Sleaford to Rock Island (Illinois) | 4,018.63 mi (6,467.36 km) |
| Sleaford to Rock Springs (Wyoming) | 4,653.71 mi (7,489.42 km) |
| Sleaford to Rockford (Illinois) | 3,924.64 mi (6,316.10 km) |
| Sleaford to Rockledge (Florida) | 4,290.76 mi (6,905.32 km) |
| Sleaford to Rocklin (California) | 5,176.84 mi (8,331.32 km) |
| Sleaford to Rockport (Texas) | 4,955.36 mi (7,974.87 km) |
