| San Luis Obispo to Sestu | 6,370.47 mi (10,252.27 km) |
| San Luis Obispo to Settimo Torinese | 6,015.75 mi (9,681.41 km) |
| San Luis Obispo to Seveso | 6,030.68 mi (9,705.44 km) |
| San Luis Obispo to Sezze | 6,377.44 mi (10,263.49 km) |
| San Luis Obispo to Siano | 6,465.94 mi (10,405.92 km) |
| San Luis Obispo to Siena | 6,223.81 mi (10,016.26 km) |
| San Luis Obispo to Signa | 6,191.26 mi (9,963.87 km) |
| San Luis Obispo to Silea | 6,123.59 mi (9,854.96 km) |
| San Luis Obispo to Silvi Paese | 6,350.14 mi (10,219.56 km) |
| San Luis Obispo to Sinalunga | 6,241.63 mi (10,044.94 km) |
| San Luis Obispo to Siniscola | 6,321.74 mi (10,173.86 km) |
| San Luis Obispo to Sinnai | 6,374.03 mi (10,258.01 km) |
| San Luis Obispo to Siracusa | 6,695.58 mi (10,775.50 km) |
| San Luis Obispo to Solaro | 6,030.58 mi (9,705.29 km) |
| San Luis Obispo to Soliera | 6,133.68 mi (9,871.21 km) |
