| Security-Widefield to Sestu | 5,611.01 mi (9,030.05 km) |
| Security-Widefield to Settimo Torinese | 5,286.49 mi (8,507.79 km) |
| Security-Widefield to Seveso | 5,311.67 mi (8,548.30 km) |
| Security-Widefield to Sezze | 5,652.38 mi (9,096.63 km) |
| Security-Widefield to Siano | 5,745.72 mi (9,246.84 km) |
| Security-Widefield to Siena | 5,500.87 mi (8,852.79 km) |
| Security-Widefield to Signa | 5,470.09 mi (8,803.26 km) |
| Security-Widefield to Silea | 5,421.13 mi (8,724.47 km) |
| Security-Widefield to Silvi Paese | 5,637.54 mi (9,072.74 km) |
| Security-Widefield to Sinalunga | 5,520.18 mi (8,883.87 km) |
| Security-Widefield to Siniscola | 5,573.04 mi (8,968.95 km) |
| Security-Widefield to Sinnai | 5,615.15 mi (9,036.71 km) |
| Security-Widefield to Siracusa | 5,956.43 mi (9,585.95 km) |
| Security-Widefield to Solaro | 5,311.11 mi (8,547.40 km) |
| Security-Widefield to Soliera | 5,417.84 mi (8,719.16 km) |
