| Millbrae to Sestu | 6,296.67 mi (10,133.52 km) |
| Millbrae to Settimo Torinese | 5,933.53 mi (9,549.09 km) |
| Millbrae to Seveso | 5,945.31 mi (9,568.05 km) |
| Millbrae to Sezze | 6,292.53 mi (10,126.85 km) |
| Millbrae to Siano | 6,379.23 mi (10,266.38 km) |
| Millbrae to Siena | 6,138.86 mi (9,879.55 km) |
| Millbrae to Signa | 6,105.90 mi (9,826.50 km) |
| Millbrae to Silea | 6,033.06 mi (9,709.27 km) |
| Millbrae to Silvi Paese | 6,261.63 mi (10,077.12 km) |
| Millbrae to Sinalunga | 6,156.17 mi (9,907.39 km) |
| Millbrae to Siniscola | 6,244.52 mi (10,049.58 km) |
| Millbrae to Sinnai | 6,300.02 mi (10,138.91 km) |
| Millbrae to Siracusa | 6,613.85 mi (10,643.96 km) |
| Millbrae to Solaro | 5,945.35 mi (9,568.11 km) |
| Millbrae to Soliera | 6,046.97 mi (9,731.66 km) |
