| Rancho San Diego to Sestu | 6,376.20 mi (10,261.50 km) |
| Rancho San Diego to Settimo Torinese | 6,036.46 mi (9,714.74 km) |
| Rancho San Diego to Seveso | 6,056.47 mi (9,746.95 km) |
| Rancho San Diego to Sezze | 6,401.12 mi (10,301.61 km) |
| Rancho San Diego to Siano | 6,492.24 mi (10,448.25 km) |
| Rancho San Diego to Siena | 6,248.17 mi (10,055.45 km) |
| Rancho San Diego to Signa | 6,216.41 mi (10,004.34 km) |
| Rancho San Diego to Silea | 6,157.54 mi (9,909.60 km) |
| Rancho San Diego to Silvi Paese | 6,379.86 mi (10,267.39 km) |
| Rancho San Diego to Sinalunga | 6,266.77 mi (10,085.39 km) |
| Rancho San Diego to Siniscola | 6,333.16 mi (10,192.24 km) |
| Rancho San Diego to Sinnai | 6,380.08 mi (10,267.75 km) |
| Rancho San Diego to Siracusa | 6,712.84 mi (10,803.28 km) |
| Rancho San Diego to Solaro | 6,056.15 mi (9,746.43 km) |
| Rancho San Diego to Soliera | 6,161.28 mi (9,915.62 km) |
