| Idrija to Sugar Hill (Georgia) | 4,918.39 mi (7,915.38 km) |
| Idrija to Sugar Land (Texas) | 5,614.28 mi (9,035.32 km) |
| Idrija to Sugarland Run (Virginia) | 4,415.69 mi (7,106.36 km) |
| Idrija to Sugarmill Woods (Florida) | 5,109.22 mi (8,222.49 km) |
| Idrija to Suisun City (California) | 6,009.78 mi (9,671.81 km) |
| Idrija to Suitland (Maryland) | 4,404.77 mi (7,088.80 km) |
| Idrija to Sulphur (Louisiana) | 5,490.44 mi (8,836.01 km) |
| Idrija to Sulphur Springs (Texas) | 5,430.13 mi (8,738.95 km) |
| Idrija to Summerfield (Maryland) | 4,400.09 mi (7,081.26 km) |
| Idrija to Summerfield (North Carolina) | 4,647.67 mi (7,479.70 km) |
| Idrija to Summerlin South (Nevada) | 5,947.94 mi (9,572.29 km) |
| Idrija to Summerville (South Carolina) | 4,806.77 mi (7,735.76 km) |
| Idrija to Summit (Illinois) | 4,704.85 mi (7,571.73 km) |
| Idrija to Summit (New Jersey) | 4,218.27 mi (6,788.65 km) |
| Idrija to Sumner (Washington) | 5,473.26 mi (8,808.36 km) |
