| Clayton to Solofra | 1,181.44 mi (1,901.34 km) |
| Clayton to Somma Lombardo | 728.90 mi (1,173.06 km) |
| Clayton to Somma Vesuviana | 1,166.85 mi (1,877.87 km) |
| Clayton to Sommacampagna | 808.33 mi (1,300.88 km) |
| Clayton to Sona | 806.04 mi (1,297.20 km) |
| Clayton to Sondrio | 737.24 mi (1,186.47 km) |
| Clayton to Sora | 1,094.65 mi (1,761.68 km) |
| Clayton to Sorbolo | 826.10 mi (1,329.47 km) |
| Clayton to Soresina | 784.40 mi (1,262.38 km) |
| Clayton to Sorisole | 753.84 mi (1,213.19 km) |
| Clayton to Sorrento | 1,178.93 mi (1,897.30 km) |
| Clayton to Sorso | 1,018.30 mi (1,638.80 km) |
| Clayton to Sortino | 1,400.88 mi (2,254.50 km) |
| Clayton to Soverato Marina | 1,355.01 mi (2,180.68 km) |
| Clayton to Sovicille | 936.39 mi (1,506.97 km) |
