| Ciechanow to Serik | 1,212.37 mi (1,951.11 km) |
| Ciechanow to Serinhisar | 1,134.77 mi (1,826.23 km) |
| Ciechanow to Serinyol | 1,366.78 mi (2,199.62 km) |
| Ciechanow to Seydisehir | 1,195.97 mi (1,924.73 km) |
| Ciechanow to Seyhan | 1,306.46 mi (2,102.54 km) |
| Ciechanow to Seyitgazi | 1,042.55 mi (1,677.83 km) |
| Ciechanow to Siirt | 1,450.49 mi (2,334.33 km) |
| Ciechanow to Sile | 910.13 mi (1,464.71 km) |
| Ciechanow to Silifke | 1,308.95 mi (2,106.56 km) |
| Ciechanow to Silivri | 889.21 mi (1,431.05 km) |
| Ciechanow to Silopi | 1,505.04 mi (2,422.14 km) |
| Ciechanow to Simav | 1,031.64 mi (1,660.27 km) |
| Ciechanow to Sinanpasa | 1,077.52 mi (1,734.11 km) |
| Ciechanow to Sindirgi | 1,007.23 mi (1,620.97 km) |
| Ciechanow to Sinop | 1,006.74 mi (1,620.19 km) |
