| Perth to Sestu | 1,311.55 mi (2,110.74 km) |
| Perth to Settimo Torinese | 916.74 mi (1,475.34 km) |
| Perth to Seveso | 919.14 mi (1,479.22 km) |
| Perth to Sezze | 1,265.67 mi (2,036.90 km) |
| Perth to Siano | 1,350.18 mi (2,172.91 km) |
| Perth to Siena | 1,112.55 mi (1,790.47 km) |
| Perth to Signa | 1,079.02 mi (1,736.51 km) |
| Perth to Silea | 1,004.32 mi (1,616.29 km) |
| Perth to Silvi Paese | 1,231.98 mi (1,982.68 km) |
| Perth to Sinalunga | 1,128.92 mi (1,816.83 km) |
| Perth to Siniscola | 1,242.78 mi (2,000.07 km) |
| Perth to Sinnai | 1,313.55 mi (2,113.96 km) |
| Perth to Siracusa | 1,591.38 mi (2,561.09 km) |
| Perth to Solaro | 919.47 mi (1,479.74 km) |
| Perth to Soliera | 1,018.39 mi (1,638.94 km) |
