| Simi Valley to Solofra | 6,468.18 mi (10,409.53 km) |
| Simi Valley to Somma Lombardo | 6,013.32 mi (9,677.50 km) |
| Simi Valley to Somma Vesuviana | 6,453.03 mi (10,385.14 km) |
| Simi Valley to Sommacampagna | 6,095.57 mi (9,809.87 km) |
| Simi Valley to Sona | 6,093.28 mi (9,806.18 km) |
| Simi Valley to Sondrio | 6,024.48 mi (9,695.46 km) |
| Simi Valley to Sora | 6,380.83 mi (10,268.95 km) |
| Simi Valley to Sorbolo | 6,112.50 mi (9,837.11 km) |
| Simi Valley to Soresina | 6,070.64 mi (9,769.75 km) |
| Simi Valley to Sorisole | 6,040.60 mi (9,721.40 km) |
| Simi Valley to Sorrento | 6,464.50 mi (10,403.61 km) |
| Simi Valley to Sorso | 6,263.75 mi (10,080.53 km) |
| Simi Valley to Sortino | 6,676.75 mi (10,745.18 km) |
| Simi Valley to Soverato Marina | 6,641.34 mi (10,688.21 km) |
| Simi Valley to Sovicille | 6,220.56 mi (10,011.03 km) |
