| Sammamish to Sestu | 5,724.29 mi (9,212.36 km) |
| Sammamish to Settimo Torinese | 5,344.93 mi (8,601.84 km) |
| Sammamish to Seveso | 5,349.89 mi (8,609.82 km) |
| Sammamish to Sezze | 5,696.07 mi (9,166.93 km) |
| Sammamish to Siano | 5,778.55 mi (9,299.68 km) |
| Sammamish to Siena | 5,543.20 mi (8,920.92 km) |
| Sammamish to Signa | 5,509.58 mi (8,866.81 km) |
| Sammamish to Silea | 5,426.45 mi (8,733.02 km) |
| Sammamish to Silvi Paese | 5,657.91 mi (9,105.53 km) |
| Sammamish to Sinalunga | 5,559.32 mi (8,946.86 km) |
| Sammamish to Siniscola | 5,664.85 mi (9,116.70 km) |
| Sammamish to Sinnai | 5,727.15 mi (9,216.95 km) |
| Sammamish to Siracusa | 6,022.13 mi (9,691.68 km) |
| Sammamish to Solaro | 5,350.22 mi (8,610.35 km) |
| Sammamish to Soliera | 5,448.14 mi (8,767.94 km) |
