| University of California-Santa Barbara to Sestu | 6,390.02 mi (10,283.74 km) |
| University of California-Santa Barbara to Settimo Torinese | 6,039.03 mi (9,718.88 km) |
| University of California-Santa Barbara to Seveso | 6,055.28 mi (9,745.03 km) |
| University of California-Santa Barbara to Sezze | 6,401.65 mi (10,302.46 km) |
| University of California-Santa Barbara to Siano | 6,490.87 mi (10,446.04 km) |
| University of California-Santa Barbara to Siena | 6,248.13 mi (10,055.40 km) |
| University of California-Santa Barbara to Signa | 6,215.77 mi (10,003.31 km) |
| University of California-Santa Barbara to Silea | 6,150.32 mi (9,897.98 km) |
| University of California-Santa Barbara to Silvi Paese | 6,375.89 mi (10,261.01 km) |
| University of California-Santa Barbara to Sinalunga | 6,266.16 mi (10,084.41 km) |
| University of California-Santa Barbara to Siniscola | 6,342.75 mi (10,207.67 km) |
| University of California-Santa Barbara to Sinnai | 6,393.66 mi (10,289.61 km) |
| University of California-Santa Barbara to Siracusa | 6,718.29 mi (10,812.04 km) |
| University of California-Santa Barbara to Solaro | 6,055.12 mi (9,744.78 km) |
| University of California-Santa Barbara to Soliera | 6,158.79 mi (9,911.62 km) |
