| River Forest to Ridgefield Park (New Jersey) | 718.28 mi (1,155.96 km) |
| River Forest to Ridgeland (Mississippi) | 666.78 mi (1,073.08 km) |
| River Forest to Ridgewood (New Jersey) | 712.00 mi (1,145.85 km) |
| River Forest to Rifle (Colorado) | 1,055.12 mi (1,698.06 km) |
| River Forest to Rincon (Georgia) | 755.49 mi (1,215.84 km) |
| River Forest to Ringwood (New Jersey) | 702.27 mi (1,130.19 km) |
| River Forest to Río Grande (Puerto Rico) | 2,076.16 mi (3,341.26 km) |
| River Forest to Rio Grande City (Texas) | 1,240.46 mi (1,996.33 km) |
| River Forest to Rio Linda (California) | 1,774.30 mi (2,855.45 km) |
| River Forest to Rio Rancho (New Mexico) | 1,113.94 mi (1,792.71 km) |
| River Forest to Rio Rico (Arizona) | 1,464.13 mi (2,356.29 km) |
| River Forest to Ripon (California) | 1,779.51 mi (2,863.84 km) |
| River Forest to River Edge (New Jersey) | 716.45 mi (1,153.01 km) |
| River Forest to River Falls (Wisconsin) | 316.49 mi (509.34 km) |
| River Forest to River Grove (Illinois) | 2.24 mi (3.60 km) |
