| Forest Grove to Robertsville (New Jersey) | 2,456.79 mi (3,953.82 km) |
| Forest Grove to Robinson (Texas) | 1,696.80 mi (2,730.74 km) |
| Forest Grove to Robstown (Texas) | 1,853.31 mi (2,982.62 km) |
| Forest Grove to Rochester (Michigan) | 1,973.07 mi (3,175.34 km) |
| Forest Grove to Rochester (Minnesota) | 1,497.03 mi (2,409.23 km) |
| Forest Grove to Rochester (New Hampshire) | 2,531.88 mi (4,074.67 km) |
| Forest Grove to Rochester (New York) | 2,223.53 mi (3,578.43 km) |
| Forest Grove to Rochester Hills (Michigan) | 1,971.83 mi (3,173.36 km) |
| Forest Grove to Rock Hill (South Carolina) | 2,307.34 mi (3,713.30 km) |
| Forest Grove to Rock Island (Illinois) | 1,642.55 mi (2,643.43 km) |
| Forest Grove to Rock Springs (Wyoming) | 745.30 mi (1,199.44 km) |
| Forest Grove to Rockford (Illinois) | 1,697.21 mi (2,731.39 km) |
| Forest Grove to Rockledge (Florida) | 2,585.87 mi (4,161.56 km) |
| Forest Grove to Rocklin (California) | 473.73 mi (762.40 km) |
| Forest Grove to Rockport (Texas) | 1,865.79 mi (3,002.71 km) |
