| California to Solofra | 4,626.87 mi (7,446.23 km) |
| California to Somma Lombardo | 4,194.14 mi (6,749.82 km) |
| California to Somma Vesuviana | 4,607.03 mi (7,414.30 km) |
| California to Sommacampagna | 4,295.77 mi (6,913.38 km) |
| California to Sona | 4,293.99 mi (6,910.51 km) |
| California to Sondrio | 4,229.51 mi (6,806.73 km) |
| California to Sora | 4,540.53 mi (7,307.27 km) |
| California to Sorbolo | 4,296.15 mi (6,913.98 km) |
| California to Soresina | 4,256.53 mi (6,850.23 km) |
| California to Sorisole | 4,233.76 mi (6,813.58 km) |
| California to Sorrento | 4,612.99 mi (7,423.89 km) |
| California to Sorso | 4,344.08 mi (6,991.12 km) |
| California to Sortino | 4,770.16 mi (7,676.83 km) |
| California to Soverato Marina | 4,782.55 mi (7,696.76 km) |
| California to Sovicille | 4,381.47 mi (7,051.30 km) |
