| Millbrae to Solofra | 6,381.83 mi (10,270.56 km) |
| Millbrae to Somma Lombardo | 5,930.50 mi (9,544.21 km) |
| Millbrae to Somma Vesuviana | 6,367.88 mi (10,248.12 km) |
| Millbrae to Sommacampagna | 6,007.53 mi (9,668.19 km) |
| Millbrae to Sona | 6,005.18 mi (9,664.41 km) |
| Millbrae to Sondrio | 5,936.80 mi (9,554.35 km) |
| Millbrae to Sora | 6,295.77 mi (10,132.06 km) |
| Millbrae to Sorbolo | 6,027.36 mi (9,700.10 km) |
| Millbrae to Soresina | 5,985.81 mi (9,633.22 km) |
| Millbrae to Sorisole | 5,954.90 mi (9,583.48 km) |
| Millbrae to Sorrento | 6,380.29 mi (10,268.08 km) |
| Millbrae to Sorso | 6,197.28 mi (9,973.56 km) |
| Millbrae to Sortino | 6,600.64 mi (10,622.70 km) |
| Millbrae to Soverato Marina | 6,555.64 mi (10,550.29 km) |
| Millbrae to Sovicille | 6,138.02 mi (9,878.19 km) |
