| Wallingford Center to Solofra | 4,344.39 mi (6,991.62 km) |
| Wallingford Center to Somma Lombardo | 3,908.90 mi (6,290.76 km) |
| Wallingford Center to Somma Vesuviana | 4,324.75 mi (6,960.01 km) |
| Wallingford Center to Sommacampagna | 4,009.97 mi (6,453.42 km) |
| Wallingford Center to Sona | 4,008.15 mi (6,450.50 km) |
| Wallingford Center to Sondrio | 3,943.25 mi (6,346.05 km) |
| Wallingford Center to Sora | 4,257.67 mi (6,852.05 km) |
| Wallingford Center to Sorbolo | 4,011.13 mi (6,455.28 km) |
| Wallingford Center to Soresina | 3,971.26 mi (6,391.13 km) |
| Wallingford Center to Sorisole | 3,948.07 mi (6,353.80 km) |
| Wallingford Center to Sorrento | 4,331.05 mi (6,970.15 km) |
| Wallingford Center to Sorso | 4,065.53 mi (6,542.84 km) |
| Wallingford Center to Sortino | 4,492.45 mi (7,229.89 km) |
| Wallingford Center to Soverato Marina | 4,501.70 mi (7,244.78 km) |
| Wallingford Center to Sovicille | 4,097.95 mi (6,595.01 km) |
