| East Islip to Sestu | 4,181.94 mi (6,730.18 km) |
| East Islip to Settimo Torinese | 3,929.63 mi (6,324.14 km) |
| East Islip to Seveso | 3,973.04 mi (6,394.00 km) |
| East Islip to Sezze | 4,284.08 mi (6,894.56 km) |
| East Islip to Siano | 4,381.46 mi (7,051.27 km) |
| East Islip to Siena | 4,144.33 mi (6,669.66 km) |
| East Islip to Signa | 4,118.53 mi (6,628.14 km) |
| East Islip to Silea | 4,107.56 mi (6,610.49 km) |
| East Islip to Silvi Paese | 4,292.78 mi (6,908.56 km) |
| East Islip to Sinalunga | 4,165.39 mi (6,703.54 km) |
| East Islip to Siniscola | 4,165.30 mi (6,703.40 km) |
| East Islip to Sinnai | 4,186.96 mi (6,738.26 km) |
| East Islip to Siracusa | 4,548.72 mi (7,320.45 km) |
| East Islip to Solaro | 3,971.63 mi (6,391.73 km) |
| East Islip to Soliera | 4,079.18 mi (6,564.81 km) |
