| Gladstone to Sestu | 5,181.58 mi (8,338.95 km) |
| Gladstone to Settimo Torinese | 4,881.19 mi (7,855.52 km) |
| Gladstone to Seveso | 4,913.14 mi (7,906.93 km) |
| Gladstone to Sezze | 5,245.86 mi (8,442.40 km) |
| Gladstone to Siano | 5,341.41 mi (8,596.17 km) |
| Gladstone to Siena | 5,097.46 mi (8,203.57 km) |
| Gladstone to Signa | 5,068.24 mi (8,156.55 km) |
| Gladstone to Silea | 5,032.58 mi (8,099.16 km) |
| Gladstone to Silvi Paese | 5,239.55 mi (8,432.25 km) |
| Gladstone to Sinalunga | 5,117.57 mi (8,235.93 km) |
| Gladstone to Siniscola | 5,151.33 mi (8,290.27 km) |
| Gladstone to Sinnai | 5,186.08 mi (8,346.19 km) |
| Gladstone to Siracusa | 5,537.32 mi (8,911.46 km) |
| Gladstone to Solaro | 4,912.27 mi (7,905.53 km) |
| Gladstone to Soliera | 5,020.22 mi (8,079.26 km) |
