| River Forest to Sugar Hill (Georgia) | 575.56 mi (926.28 km) |
| River Forest to Sugar Land (Texas) | 955.28 mi (1,537.37 km) |
| River Forest to Sugarland Run (Virginia) | 583.08 mi (938.38 km) |
| River Forest to Sugarmill Woods (Florida) | 957.24 mi (1,540.53 km) |
| River Forest to Suisun City (California) | 1,813.04 mi (2,917.80 km) |
| River Forest to Suitland (Maryland) | 610.45 mi (982.42 km) |
| River Forest to Sulphur (Louisiana) | 862.85 mi (1,388.63 km) |
| River Forest to Sulphur Springs (Texas) | 739.62 mi (1,190.30 km) |
| River Forest to Summerfield (Maryland) | 611.63 mi (984.33 km) |
| River Forest to Summerfield (North Carolina) | 578.81 mi (931.51 km) |
| River Forest to Summerlin South (Nevada) | 1,522.70 mi (2,450.54 km) |
| River Forest to Summerville (South Carolina) | 743.04 mi (1,195.81 km) |
| River Forest to Summit (Illinois) | 7.42 mi (11.94 km) |
| River Forest to Summit (New Jersey) | 702.34 mi (1,130.31 km) |
| River Forest to Sumner (Washington) | 1,718.99 mi (2,766.45 km) |
