| Idrija to Haverhill (Massachusetts) | 3,997.52 mi (6,433.39 km) |
| Idrija to Havre de Grace (Maryland) | 4,340.78 mi (6,985.80 km) |
| Idrija to Hawaiian Gardens (California) | 6,164.37 mi (9,920.59 km) |
| Idrija to Hawaiian Paradise Park (Hawaii) | 7,853.14 mi (12,638.41 km) |
| Idrija to Hawthorne (California) | 6,167.48 mi (9,925.60 km) |
| Idrija to Hawthorne (New Jersey) | 4,199.52 mi (6,758.47 km) |
| Idrija to Hayden (Idaho) | 5,310.32 mi (8,546.14 km) |
| Idrija to Hayesville (Oregon) | 5,625.83 mi (9,053.90 km) |
| Idrija to Hays (Kansas) | 5,270.13 mi (8,481.46 km) |
| Idrija to Haysville (Kansas) | 5,267.72 mi (8,477.58 km) |
| Idrija to Hayward (California) | 6,048.75 mi (9,734.52 km) |
| Idrija to Hazel Crest (Illinois) | 4,710.22 mi (7,580.37 km) |
| Idrija to Hazel Dell (Washington) | 5,575.96 mi (8,973.64 km) |
| Idrija to Hazel Park (Michigan) | 4,493.40 mi (7,231.43 km) |
| Idrija to Hazelwood (Missouri) | 4,946.07 mi (7,959.92 km) |
