| Redwood City to Sestu | 6,296.50 mi (10,133.23 km) |
| Redwood City to Settimo Torinese | 5,933.91 mi (9,549.70 km) |
| Redwood City to Seveso | 5,945.91 mi (9,569.02 km) |
| Redwood City to Sezze | 6,293.12 mi (10,127.80 km) |
| Redwood City to Siano | 6,379.96 mi (10,267.55 km) |
| Redwood City to Siena | 6,139.45 mi (9,880.49 km) |
| Redwood City to Signa | 6,106.51 mi (9,827.49 km) |
| Redwood City to Silea | 6,034.03 mi (9,710.84 km) |
| Redwood City to Silvi Paese | 6,262.48 mi (10,078.48 km) |
| Redwood City to Sinalunga | 6,156.79 mi (9,908.40 km) |
| Redwood City to Siniscola | 6,244.57 mi (10,049.66 km) |
| Redwood City to Sinnai | 6,299.86 mi (10,138.65 km) |
| Redwood City to Siracusa | 6,614.23 mi (10,644.58 km) |
| Redwood City to Solaro | 5,945.94 mi (9,569.07 km) |
| Redwood City to Soliera | 6,047.67 mi (9,732.79 km) |
