| Idrija to Serik | 1,080.53 mi (1,738.95 km) |
| Idrija to Serinhisar | 974.54 mi (1,568.37 km) |
| Idrija to Serinyol | 1,324.75 mi (2,131.98 km) |
| Idrija to Seydisehir | 1,090.19 mi (1,754.49 km) |
| Idrija to Seyhan | 1,260.77 mi (2,029.01 km) |
| Idrija to Seyitgazi | 956.96 mi (1,540.08 km) |
| Idrija to Siirt | 1,529.28 mi (2,461.14 km) |
| Idrija to Sile | 846.40 mi (1,362.15 km) |
| Idrija to Silifke | 1,224.95 mi (1,971.36 km) |
| Idrija to Silivri | 787.96 mi (1,268.10 km) |
| Idrija to Silopi | 1,577.93 mi (2,539.43 km) |
| Idrija to Simav | 896.77 mi (1,443.21 km) |
| Idrija to Sinanpasa | 965.11 mi (1,553.19 km) |
| Idrija to Sindirgi | 855.78 mi (1,377.24 km) |
| Idrija to Sinop | 1,081.40 mi (1,740.34 km) |
