| Piedmont to Sinop | 6,738.92 mi (10,845.24 km) |
| Piedmont to Siran | 6,918.97 mi (11,135.00 km) |
| Piedmont to Sirnak | 7,140.41 mi (11,491.37 km) |
| Piedmont to Sirvan | 7,098.65 mi (11,424.17 km) |
| Piedmont to Sivas | 6,917.98 mi (11,133.41 km) |
| Piedmont to Sivasli | 6,870.27 mi (11,056.63 km) |
| Piedmont to Siverek | 7,084.50 mi (11,401.40 km) |
| Piedmont to Sivrice | 7,037.90 mi (11,326.40 km) |
| Piedmont to Sivrihisar | 6,844.49 mi (11,015.14 km) |
| Piedmont to Sogut | 6,781.80 mi (10,914.26 km) |
| Piedmont to Sogutlu | 6,730.99 mi (10,832.49 km) |
| Piedmont to Soke | 6,868.55 mi (11,053.86 km) |
| Piedmont to Solhan | 7,025.86 mi (11,307.02 km) |
| Piedmont to Soma | 6,781.97 mi (10,914.52 km) |
| Piedmont to Sorgun | 6,885.02 mi (11,080.37 km) |
