| San Mateo to Sinop | 6,758.09 mi (10,876.10 km) |
| San Mateo to Siran | 6,938.17 mi (11,165.91 km) |
| San Mateo to Sirnak | 7,159.61 mi (11,522.28 km) |
| San Mateo to Sirvan | 7,117.85 mi (11,455.08 km) |
| San Mateo to Sivas | 6,937.16 mi (11,164.29 km) |
| San Mateo to Sivasli | 6,889.27 mi (11,087.21 km) |
| San Mateo to Siverek | 7,103.70 mi (11,432.30 km) |
| San Mateo to Sivrice | 7,057.10 mi (11,357.30 km) |
| San Mateo to Sivrihisar | 6,863.57 mi (11,045.84 km) |
| San Mateo to Sogut | 6,800.85 mi (10,944.91 km) |
| San Mateo to Sogutlu | 6,750.06 mi (10,863.17 km) |
| San Mateo to Soke | 6,887.44 mi (11,084.27 km) |
| San Mateo to Solhan | 7,045.06 mi (11,337.93 km) |
| San Mateo to Soma | 6,800.90 mi (10,945.00 km) |
| San Mateo to Sorgun | 6,904.18 mi (11,111.21 km) |
