| Grain Valley to Robertsville (New Jersey) | 1,060.68 mi (1,707.00 km) |
| Grain Valley to Robinson (Texas) | 547.95 mi (881.85 km) |
| Grain Valley to Robstown (Texas) | 800.54 mi (1,288.34 km) |
| Grain Valley to Rochester (Michigan) | 631.90 mi (1,016.95 km) |
| Grain Valley to Rochester (Minnesota) | 356.74 mi (574.12 km) |
| Grain Valley to Rochester (New Hampshire) | 1,239.69 mi (1,995.08 km) |
| Grain Valley to Rochester (New York) | 908.52 mi (1,462.11 km) |
| Grain Valley to Rochester Hills (Michigan) | 629.64 mi (1,013.31 km) |
| Grain Valley to Rock Hill (South Carolina) | 779.37 mi (1,254.27 km) |
| Grain Valley to Rock Island (Illinois) | 255.46 mi (411.13 km) |
| Grain Valley to Rock Springs (Wyoming) | 809.69 mi (1,303.06 km) |
| Grain Valley to Rockford (Illinois) | 350.51 mi (564.10 km) |
| Grain Valley to Rockledge (Florida) | 1,068.40 mi (1,719.43 km) |
| Grain Valley to Rocklin (California) | 1,448.43 mi (2,331.03 km) |
| Grain Valley to Rockport (Texas) | 776.79 mi (1,250.13 km) |
