| Kwidzyn to Siran | 1,326.32 mi (2,134.50 km) |
| Kwidzyn to Sirnak | 1,581.95 mi (2,545.91 km) |
| Kwidzyn to Sirvan | 1,537.83 mi (2,474.91 km) |
| Kwidzyn to Sivas | 1,283.67 mi (2,065.87 km) |
| Kwidzyn to Sivasli | 1,169.96 mi (1,882.86 km) |
| Kwidzyn to Siverek | 1,467.92 mi (2,362.38 km) |
| Kwidzyn to Sivrice | 1,428.41 mi (2,298.80 km) |
| Kwidzyn to Sivrihisar | 1,150.52 mi (1,851.58 km) |
| Kwidzyn to Sogut | 1,083.58 mi (1,743.85 km) |
| Kwidzyn to Sogutlu | 1,035.98 mi (1,667.25 km) |
| Kwidzyn to Soke | 1,175.72 mi (1,892.13 km) |
| Kwidzyn to Solhan | 1,456.16 mi (2,343.46 km) |
| Kwidzyn to Soma | 1,084.77 mi (1,745.78 km) |
| Kwidzyn to Sorgun | 1,225.65 mi (1,972.49 km) |
| Kwidzyn to Suhut | 1,185.17 mi (1,907.35 km) |
