| River Forest to Roy (Utah) | 1,249.99 mi (2,011.66 km) |
| River Forest to Royal Kunia (Hawaii) | 4,243.99 mi (6,830.04 km) |
| River Forest to Royal Oak (Michigan) | 242.49 mi (390.26 km) |
| River Forest to Royal Palm Beach (Florida) | 1,134.41 mi (1,825.66 km) |
| River Forest to Royse City (Texas) | 771.85 mi (1,242.17 km) |
| River Forest to Ruskin (Florida) | 1,026.48 mi (1,651.96 km) |
| River Forest to Russellville (Alabama) | 510.59 mi (821.71 km) |
| River Forest to Russellville (Arkansas) | 539.79 mi (868.70 km) |
| River Forest to Ruston (Louisiana) | 698.74 mi (1,124.52 km) |
| River Forest to Rutherford (New Jersey) | 714.30 mi (1,149.56 km) |
| River Forest to Rutland (Vermont) | 761.16 mi (1,224.97 km) |
| River Forest to Sabana Grande (Puerto Rico) | 2,052.98 mi (3,303.95 km) |
| River Forest to Sachse (Texas) | 780.75 mi (1,256.49 km) |
| River Forest to Saco (Maine) | 886.75 mi (1,427.08 km) |
| River Forest to Sacramento (California) | 1,778.24 mi (2,861.81 km) |
