| Howard to Sestu | 4,694.34 mi (7,554.81 km) |
| Howard to Settimo Torinese | 4,387.93 mi (7,061.70 km) |
| Howard to Seveso | 4,418.78 mi (7,111.34 km) |
| Howard to Sezze | 4,753.08 mi (7,649.34 km) |
| Howard to Siano | 4,848.28 mi (7,802.55 km) |
| Howard to Siena | 4,604.01 mi (7,409.45 km) |
| Howard to Signa | 4,574.51 mi (7,361.97 km) |
| Howard to Silea | 4,537.00 mi (7,301.59 km) |
| Howard to Silvi Paese | 4,745.31 mi (7,636.85 km) |
| Howard to Sinalunga | 4,624.00 mi (7,441.60 km) |
| Howard to Siniscola | 4,661.89 mi (7,502.58 km) |
| Howard to Sinnai | 4,698.73 mi (7,561.88 km) |
| Howard to Siracusa | 5,047.50 mi (8,123.17 km) |
| Howard to Solaro | 4,417.96 mi (7,110.02 km) |
| Howard to Soliera | 4,525.80 mi (7,283.57 km) |
