| Petersburg to Sinop | 5,510.03 mi (8,867.53 km) |
| Petersburg to Siran | 5,748.03 mi (9,250.56 km) |
| Petersburg to Sirnak | 6,005.20 mi (9,664.43 km) |
| Petersburg to Sirvan | 5,961.82 mi (9,594.62 km) |
| Petersburg to Sivas | 5,687.96 mi (9,153.88 km) |
| Petersburg to Sivasli | 5,448.70 mi (8,768.83 km) |
| Petersburg to Siverek | 5,873.01 mi (9,451.70 km) |
| Petersburg to Sivrice | 5,839.14 mi (9,397.19 km) |
| Petersburg to Sivrihisar | 5,483.04 mi (8,824.10 km) |
| Petersburg to Sogut | 5,402.45 mi (8,694.40 km) |
| Petersburg to Sogutlu | 5,376.32 mi (8,652.35 km) |
| Petersburg to Soke | 5,383.65 mi (8,664.15 km) |
| Petersburg to Solhan | 5,880.31 mi (9,463.44 km) |
| Petersburg to Soma | 5,331.01 mi (8,579.43 km) |
| Petersburg to Sorgun | 5,613.38 mi (9,033.87 km) |
