| Idrija to Foothill Farms (California) | 5,965.86 mi (9,601.12 km) |
| Idrija to Fords (New Jersey) | 4,223.65 mi (6,797.32 km) |
| Idrija to Forest (Virginia) | 4,568.64 mi (7,352.52 km) |
| Idrija to Forest Acres (South Carolina) | 4,792.54 mi (7,712.85 km) |
| Idrija to Forest City (Florida) | 5,066.37 mi (8,153.54 km) |
| Idrija to Forest Grove (Oregon) | 5,595.93 mi (9,005.78 km) |
| Idrija to Forest Hill (Texas) | 5,518.55 mi (8,881.24 km) |
| Idrija to Forest Hills (Michigan) | 4,562.63 mi (7,342.84 km) |
| Idrija to Forest Lake (Minnesota) | 4,726.23 mi (7,606.13 km) |
| Idrija to Forest Park (Georgia) | 4,954.18 mi (7,972.97 km) |
| Idrija to Forest Park (Illinois) | 4,701.11 mi (7,565.70 km) |
| Idrija to Forest Park (Ohio) | 4,694.37 mi (7,554.86 km) |
| Idrija to Forestville (Maryland) | 4,402.50 mi (7,085.14 km) |
| Idrija to Forestville (Ohio) | 4,696.92 mi (7,558.96 km) |
| Idrija to Forney (Texas) | 5,483.09 mi (8,824.17 km) |
