| Grimes to Robertsville (New Jersey) | 1,018.75 mi (1,639.51 km) |
| Grimes to Robinson (Texas) | 730.20 mi (1,175.15 km) |
| Grimes to Robstown (Texas) | 983.89 mi (1,583.42 km) |
| Grimes to Rochester (Michigan) | 550.59 mi (886.09 km) |
| Grimes to Rochester (Minnesota) | 174.73 mi (281.20 km) |
| Grimes to Rochester (New Hampshire) | 1,164.22 mi (1,873.62 km) |
| Grimes to Rochester (New York) | 830.24 mi (1,336.14 km) |
| Grimes to Rochester Hills (Michigan) | 548.65 mi (882.96 km) |
| Grimes to Rock Hill (South Carolina) | 832.86 mi (1,340.35 km) |
| Grimes to Rock Island (Illinois) | 166.64 mi (268.17 km) |
| Grimes to Rock Springs (Wyoming) | 795.54 mi (1,280.31 km) |
| Grimes to Rockford (Illinois) | 246.29 mi (396.37 km) |
| Grimes to Rockledge (Florida) | 1,179.47 mi (1,898.17 km) |
| Grimes to Rocklin (California) | 1,455.18 mi (2,341.89 km) |
| Grimes to Rockport (Texas) | 960.97 mi (1,546.53 km) |
