| River Forest to Romeoville (Illinois) | 23.22 mi (37.38 km) |
| River Forest to Romulus (Michigan) | 229.55 mi (369.43 km) |
| River Forest to Ronkonkoma (New York) | 764.96 mi (1,231.09 km) |
| River Forest to Roosevelt (New York) | 742.96 mi (1,195.69 km) |
| River Forest to Rosamond (California) | 1,706.35 mi (2,746.10 km) |
| River Forest to Rosaryville (Maryland) | 617.46 mi (993.70 km) |
| River Forest to Roscoe (Illinois) | 71.08 mi (114.39 km) |
| River Forest to Rose Hill (Virginia) | 603.03 mi (970.49 km) |
| River Forest to Roseburg (Oregon) | 1,797.05 mi (2,892.07 km) |
| River Forest to Rosedale (California) | 1,741.75 mi (2,803.08 km) |
| River Forest to Rosedale (Maryland) | 618.71 mi (995.72 km) |
| River Forest to Roselle (Illinois) | 14.94 mi (24.04 km) |
| River Forest to Roselle (New Jersey) | 708.57 mi (1,140.34 km) |
| River Forest to Roselle Park (New Jersey) | 708.06 mi (1,139.51 km) |
| River Forest to Rosemead (California) | 1,724.07 mi (2,774.62 km) |
