| Idrija to Harrison (Wisconsin) | 4,610.10 mi (7,419.24 km) |
| Idrija to Harrisonburg (Virginia) | 4,504.00 mi (7,248.49 km) |
| Idrija to Hartford (Connecticut) | 4,104.83 mi (6,606.09 km) |
| Idrija to Hartford (Wisconsin) | 4,653.89 mi (7,489.71 km) |
| Idrija to Hartselle (Alabama) | 5,021.16 mi (8,080.78 km) |
| Idrija to Hartsville (Tennessee) | 4,895.69 mi (7,878.85 km) |
| Idrija to Harvey (Illinois) | 4,707.17 mi (7,575.46 km) |
| Idrija to Harvey (Louisiana) | 5,373.51 mi (8,647.83 km) |
| Idrija to Hasbrouck Heights (New Jersey) | 4,200.05 mi (6,759.33 km) |
| Idrija to Haslett (Michigan) | 4,530.53 mi (7,291.19 km) |
| Idrija to Hastings (Minnesota) | 4,747.84 mi (7,640.90 km) |
| Idrija to Hastings (Nebraska) | 5,148.56 mi (8,285.80 km) |
| Idrija to Hattiesburg (Mississippi) | 5,271.87 mi (8,484.25 km) |
| Idrija to Hauppauge (New York) | 4,165.78 mi (6,704.18 km) |
| Idrija to Havelock (North Carolina) | 4,578.68 mi (7,368.68 km) |
