| Half Moon Bay to Sinop | 6,765.61 mi (10,888.21 km) |
| Half Moon Bay to Siran | 6,945.48 mi (11,177.67 km) |
| Half Moon Bay to Sirnak | 7,166.73 mi (11,533.74 km) |
| Half Moon Bay to Sirvan | 7,125.00 mi (11,466.58 km) |
| Half Moon Bay to Sivas | 6,944.62 mi (11,176.29 km) |
| Half Moon Bay to Sivasli | 6,897.21 mi (11,099.98 km) |
| Half Moon Bay to Siverek | 7,111.05 mi (11,444.14 km) |
| Half Moon Bay to Sivrice | 7,064.44 mi (11,369.11 km) |
| Half Moon Bay to Sivrihisar | 6,871.37 mi (11,058.41 km) |
| Half Moon Bay to Sogut | 6,808.72 mi (10,957.57 km) |
| Half Moon Bay to Sogutlu | 6,757.89 mi (10,875.77 km) |
| Half Moon Bay to Soke | 6,895.52 mi (11,097.27 km) |
| Half Moon Bay to Solhan | 7,052.26 mi (11,349.52 km) |
| Half Moon Bay to Soma | 6,808.93 mi (10,957.92 km) |
| Half Moon Bay to Sorgun | 6,911.76 mi (11,123.40 km) |
