| Idrija to Somersworth (New Hampshire) | 3,970.57 mi (6,390.01 km) |
| Idrija to Somerton (Arizona) | 6,133.33 mi (9,870.65 km) |
| Idrija to Somerville (Massachusetts) | 4,013.80 mi (6,459.58 km) |
| Idrija to Somerville (New Jersey) | 4,234.57 mi (6,814.88 km) |
| Idrija to Sonoma (California) | 6,018.94 mi (9,686.55 km) |
| Idrija to Soquel (California) | 6,083.77 mi (9,790.88 km) |
| Idrija to South Bend (Indiana) | 4,651.35 mi (7,485.62 km) |
| Idrija to South Bradenton (Florida) | 5,173.92 mi (8,326.62 km) |
| Idrija to South Burlington (Vermont) | 4,017.85 mi (6,466.11 km) |
| Idrija to South Charleston (West Virginia) | 4,624.85 mi (7,442.98 km) |
| Idrija to South Daytona (Florida) | 5,023.13 mi (8,083.95 km) |
| Idrija to South El Monte (California) | 6,150.68 mi (9,898.57 km) |
| Idrija to South Elgin (Illinois) | 4,714.07 mi (7,586.57 km) |
| Idrija to South Euclid (Ohio) | 4,473.74 mi (7,199.79 km) |
| Idrija to South Farmingdale (New York) | 4,179.97 mi (6,727.01 km) |
