| Idrija to Security-Widefield (Colorado) | 5,462.60 mi (8,791.21 km) |
| Idrija to Sedalia (Missouri) | 5,057.80 mi (8,139.74 km) |
| Idrija to Sedro-Woolley (Washington) | 5,395.38 mi (8,683.02 km) |
| Idrija to Seguin (Texas) | 5,706.38 mi (9,183.53 km) |
| Idrija to Selden (New York) | 4,156.83 mi (6,689.77 km) |
| Idrija to Selma (Alabama) | 5,123.22 mi (8,245.02 km) |
| Idrija to Selma (California) | 6,045.70 mi (9,729.62 km) |
| Idrija to Selma (Texas) | 5,719.97 mi (9,205.41 km) |
| Idrija to Seminole (Florida) | 5,164.28 mi (8,311.10 km) |
| Idrija to Seven Hills (Ohio) | 4,486.05 mi (7,219.60 km) |
| Idrija to Seven Oaks (South Carolina) | 4,799.11 mi (7,723.42 km) |
| Idrija to Severn (Maryland) | 4,382.83 mi (7,053.49 km) |
| Idrija to Severna Park (Maryland) | 4,379.66 mi (7,048.38 km) |
| Idrija to Sevierville (Tennessee) | 4,814.25 mi (7,747.78 km) |
| Idrija to Seymour (Indiana) | 4,764.12 mi (7,667.12 km) |
