| Valley Center to Sestu | 6,354.33 mi (10,226.30 km) |
| Valley Center to Settimo Torinese | 6,013.21 mi (9,677.33 km) |
| Valley Center to Seveso | 6,032.80 mi (9,708.86 km) |
| Valley Center to Sezze | 6,377.69 mi (10,263.90 km) |
| Valley Center to Siano | 6,468.61 mi (10,410.22 km) |
| Valley Center to Siena | 6,224.65 mi (10,017.61 km) |
| Valley Center to Signa | 6,192.82 mi (9,966.38 km) |
| Valley Center to Silea | 6,133.21 mi (9,870.45 km) |
| Valley Center to Silvi Paese | 6,355.92 mi (10,228.87 km) |
| Valley Center to Sinalunga | 6,243.19 mi (10,047.44 km) |
| Valley Center to Siniscola | 6,310.78 mi (10,156.21 km) |
| Valley Center to Sinnai | 6,358.18 mi (10,232.51 km) |
| Valley Center to Siracusa | 6,690.02 mi (10,766.55 km) |
| Valley Center to Solaro | 6,032.50 mi (9,708.37 km) |
| Valley Center to Soliera | 6,137.47 mi (9,877.31 km) |
