| Millbrae to Sesena | 5,814.01 mi (9,356.74 km) |
| Millbrae to Sestao | 5,680.15 mi (9,141.32 km) |
| Millbrae to Sevilla | 5,866.99 mi (9,442.00 km) |
| Millbrae to Sevilla La Nueva | 5,789.77 mi (9,317.74 km) |
| Millbrae to Silla | 5,971.14 mi (9,609.62 km) |
| Millbrae to Silleda | 5,520.53 mi (8,884.44 km) |
| Millbrae to Sitges | 5,952.16 mi (9,579.08 km) |
| Millbrae to Socuellamos | 5,887.66 mi (9,475.27 km) |
| Millbrae to Soller | 6,059.68 mi (9,752.11 km) |
| Millbrae to Solsona | 5,902.86 mi (9,499.74 km) |
| Millbrae to Son Servera | 6,090.04 mi (9,800.97 km) |
| Millbrae to Sonseca | 5,824.61 mi (9,373.80 km) |
| Millbrae to Sopelana | 5,677.57 mi (9,137.17 km) |
| Millbrae to Soria | 5,776.02 mi (9,295.60 km) |
| Millbrae to Suances | 5,637.35 mi (9,072.44 km) |
