| Forest Grove to River Ridge (Louisiana) | 2,072.70 mi (3,335.69 km) |
| Forest Grove to Riverbank (California) | 550.25 mi (885.53 km) |
| Forest Grove to Riverdale (Georgia) | 2,195.52 mi (3,533.35 km) |
| Forest Grove to Riverdale (Illinois) | 1,780.69 mi (2,865.74 km) |
| Forest Grove to Riverside (California) | 855.60 mi (1,376.96 km) |
| Forest Grove to Riverside (Ohio) | 2,000.00 mi (3,218.68 km) |
| Forest Grove to Riverton (Utah) | 659.91 mi (1,062.03 km) |
| Forest Grove to Riverton (Wyoming) | 745.68 mi (1,200.06 km) |
| Forest Grove to Riverview (Florida) | 2,534.03 mi (4,078.13 km) |
| Forest Grove to Riverview (Michigan) | 1,981.67 mi (3,189.20 km) |
| Forest Grove to Riviera Beach (Florida) | 2,684.99 mi (4,321.07 km) |
| Forest Grove to Riviera Beach (Maryland) | 2,384.81 mi (3,837.97 km) |
| Forest Grove to Roanoke (Virginia) | 2,278.47 mi (3,666.85 km) |
| Forest Grove to Roanoke Rapids (North Carolina) | 2,418.05 mi (3,891.47 km) |
| Forest Grove to Robbinsdale (Minnesota) | 1,439.84 mi (2,317.20 km) |
