| Wallingford to Solofra | 1,061.74 mi (1,708.70 km) |
| Wallingford to Somma Lombardo | 605.91 mi (975.11 km) |
| Wallingford to Somma Vesuviana | 1,045.81 mi (1,683.06 km) |
| Wallingford to Sommacampagna | 694.26 mi (1,117.30 km) |
| Wallingford to Sona | 692.11 mi (1,113.85 km) |
| Wallingford to Sondrio | 623.63 mi (1,003.64 km) |
| Wallingford to Sora | 973.76 mi (1,567.12 km) |
| Wallingford to Sorbolo | 706.70 mi (1,137.32 km) |
| Wallingford to Soresina | 664.77 mi (1,069.85 km) |
| Wallingford to Sorisole | 636.09 mi (1,023.69 km) |
| Wallingford to Sorrento | 1,056.79 mi (1,700.73 km) |
| Wallingford to Sorso | 877.04 mi (1,411.46 km) |
| Wallingford to Sortino | 1,271.16 mi (2,045.73 km) |
| Wallingford to Soverato Marina | 1,233.98 mi (1,985.91 km) |
| Wallingford to Sovicille | 812.57 mi (1,307.71 km) |
