| South River to Solofra | 4,450.29 mi (7,162.05 km) |
| South River to Somma Lombardo | 4,015.30 mi (6,462.00 km) |
| South River to Somma Vesuviana | 4,430.61 mi (7,130.37 km) |
| South River to Sommacampagna | 4,116.47 mi (6,624.81 km) |
| South River to Sona | 4,114.66 mi (6,621.90 km) |
| South River to Sondrio | 4,049.82 mi (6,517.56 km) |
| South River to Sora | 4,363.64 mi (7,022.60 km) |
| South River to Sorbolo | 4,117.49 mi (6,626.47 km) |
| South River to Soresina | 4,077.67 mi (6,562.38 km) |
| South River to Sorisole | 4,054.55 mi (6,525.16 km) |
| South River to Sorrento | 4,436.84 mi (7,140.40 km) |
| South River to Sorso | 4,170.56 mi (6,711.87 km) |
| South River to Sortino | 4,597.31 mi (7,398.65 km) |
| South River to Soverato Marina | 4,607.26 mi (7,414.67 km) |
| South River to Sovicille | 4,204.04 mi (6,765.75 km) |
