| River Grove to Solofra | 4,957.17 mi (7,977.79 km) |
| River Grove to Somma Lombardo | 4,507.43 mi (7,254.00 km) |
| River Grove to Somma Vesuviana | 4,938.90 mi (7,948.38 km) |
| River Grove to Sommacampagna | 4,603.00 mi (7,407.82 km) |
| River Grove to Sona | 4,600.98 mi (7,404.56 km) |
| River Grove to Sondrio | 4,533.45 mi (7,295.89 km) |
| River Grove to Sora | 4,868.90 mi (7,835.74 km) |
| River Grove to Sorbolo | 4,610.20 mi (7,419.41 km) |
| River Grove to Soresina | 4,568.91 mi (7,352.94 km) |
| River Grove to Sorisole | 4,542.69 mi (7,310.75 km) |
| River Grove to Sorrento | 4,947.21 mi (7,961.77 km) |
| River Grove to Sorso | 4,702.49 mi (7,567.93 km) |
| River Grove to Sortino | 5,129.61 mi (8,255.32 km) |
| River Grove to Soverato Marina | 5,122.60 mi (8,244.02 km) |
| River Grove to Sovicille | 4,706.52 mi (7,574.41 km) |
