| River Forest to Solofra | 4,957.70 mi (7,978.65 km) |
| River Forest to Somma Lombardo | 4,508.01 mi (7,254.93 km) |
| River Forest to Somma Vesuviana | 4,939.42 mi (7,949.23 km) |
| River Forest to Sommacampagna | 4,603.61 mi (7,408.79 km) |
| River Forest to Sona | 4,601.58 mi (7,405.53 km) |
| River Forest to Sondrio | 4,534.07 mi (7,296.87 km) |
| River Forest to Sora | 4,869.44 mi (7,836.61 km) |
| River Forest to Sorbolo | 4,610.78 mi (7,420.34 km) |
| River Forest to Soresina | 4,569.49 mi (7,353.88 km) |
| River Forest to Sorisole | 4,543.28 mi (7,311.71 km) |
| River Forest to Sorrento | 4,947.73 mi (7,962.61 km) |
| River Forest to Sorso | 4,702.90 mi (7,568.59 km) |
| River Forest to Sortino | 5,130.04 mi (8,256.00 km) |
| River Forest to Soverato Marina | 5,123.10 mi (8,244.83 km) |
| River Forest to Sovicille | 4,707.06 mi (7,575.28 km) |
