| Whittlesey to Sestu | 1,015.73 mi (1,634.65 km) |
| Whittlesey to Settimo Torinese | 625.37 mi (1,006.43 km) |
| Whittlesey to Seveso | 634.60 mi (1,021.29 km) |
| Whittlesey to Sezze | 981.71 mi (1,579.91 km) |
| Whittlesey to Siano | 1,069.80 mi (1,721.68 km) |
| Whittlesey to Siena | 828.03 mi (1,332.58 km) |
| Whittlesey to Signa | 795.22 mi (1,279.79 km) |
| Whittlesey to Silea | 735.41 mi (1,183.53 km) |
| Whittlesey to Silvi Paese | 955.56 mi (1,537.83 km) |
| Whittlesey to Sinalunga | 845.56 mi (1,360.80 km) |
| Whittlesey to Siniscola | 948.53 mi (1,526.51 km) |
| Whittlesey to Sinnai | 1,017.82 mi (1,638.02 km) |
| Whittlesey to Siracusa | 1,304.14 mi (2,098.81 km) |
| Whittlesey to Solaro | 634.57 mi (1,021.25 km) |
| Whittlesey to Soliera | 737.70 mi (1,187.21 km) |
