| Grudziadz to Siran | 1,321.99 mi (2,127.54 km) |
| Grudziadz to Sirnak | 1,577.97 mi (2,539.50 km) |
| Grudziadz to Sirvan | 1,533.90 mi (2,468.58 km) |
| Grudziadz to Sivas | 1,277.85 mi (2,056.50 km) |
| Grudziadz to Sivasli | 1,158.84 mi (1,864.97 km) |
| Grudziadz to Siverek | 1,462.37 mi (2,353.46 km) |
| Grudziadz to Sivrice | 1,423.21 mi (2,290.44 km) |
| Grudziadz to Sivrihisar | 1,141.01 mi (1,836.28 km) |
| Grudziadz to Sogut | 1,073.39 mi (1,727.46 km) |
| Grudziadz to Sogutlu | 1,026.42 mi (1,651.87 km) |
| Grudziadz to Soke | 1,162.94 mi (1,871.58 km) |
| Grudziadz to Solhan | 1,452.20 mi (2,337.08 km) |
| Grudziadz to Soma | 1,072.52 mi (1,726.06 km) |
| Grudziadz to Sorgun | 1,218.72 mi (1,961.34 km) |
| Grudziadz to Suhut | 1,174.63 mi (1,890.38 km) |
