| Idrija to Storm Lake (Iowa) | 4,932.73 mi (7,938.46 km) |
| Idrija to Storrs (Connecticut) | 4,085.16 mi (6,574.42 km) |
| Idrija to Stoughton (Wisconsin) | 4,703.81 mi (7,570.05 km) |
| Idrija to Stow (Ohio) | 4,485.67 mi (7,218.98 km) |
| Idrija to Streamwood (Illinois) | 4,707.56 mi (7,576.08 km) |
| Idrija to Streator (Illinois) | 4,774.54 mi (7,683.87 km) |
| Idrija to Streetsboro (Ohio) | 4,479.33 mi (7,208.78 km) |
| Idrija to Strongsville (Ohio) | 4,495.30 mi (7,234.49 km) |
| Idrija to Stuart (Florida) | 5,083.56 mi (8,181.20 km) |
| Idrija to Stuarts Draft (Virginia) | 4,529.35 mi (7,289.28 km) |
| Idrija to Sturgis (Michigan) | 4,613.07 mi (7,424.02 km) |
| Idrija to Suamico (Wisconsin) | 4,581.32 mi (7,372.92 km) |
| Idrija to Sudley (Virginia) | 4,431.33 mi (7,131.54 km) |
| Idrija to Suffern (New York) | 4,192.33 mi (6,746.91 km) |
| Idrija to Suffolk (Virginia) | 4,487.74 mi (7,222.32 km) |
