| River Forest to Smyrna (Delaware) | 664.73 mi (1,069.78 km) |
| River Forest to Smyrna (Georgia) | 583.30 mi (938.73 km) |
| River Forest to Smyrna (Tennessee) | 415.31 mi (668.37 km) |
| River Forest to Snellville (Georgia) | 592.96 mi (954.27 km) |
| River Forest to Snoqualmie (Washington) | 1,700.66 mi (2,736.95 km) |
| River Forest to Snyder (Texas) | 957.24 mi (1,540.53 km) |
| River Forest to Socastee (South Carolina) | 742.81 mi (1,195.44 km) |
| River Forest to Socorro (Texas) | 1,238.26 mi (1,992.79 km) |
| River Forest to Soddy-Daisy (Tennessee) | 480.31 mi (772.98 km) |
| River Forest to Solana Beach (California) | 1,717.54 mi (2,764.11 km) |
| River Forest to Soledad (California) | 1,822.63 mi (2,933.24 km) |
| River Forest to Solon (Ohio) | 331.19 mi (533.00 km) |
| River Forest to Somers Point (New Jersey) | 714.80 mi (1,150.37 km) |
| River Forest to Somerset (Kentucky) | 373.81 mi (601.60 km) |
| River Forest to Somerset (New Jersey) | 698.23 mi (1,123.70 km) |
