| Idrija to Holiday (Florida) | 5,145.93 mi (8,281.57 km) |
| Idrija to Holiday City-Berkeley (New Jersey) | 4,246.39 mi (6,833.90 km) |
| Idrija to Holladay (Utah) | 5,581.82 mi (8,983.07 km) |
| Idrija to Holland (Michigan) | 4,594.40 mi (7,393.97 km) |
| Idrija to Hollins (Virginia) | 4,597.83 mi (7,399.49 km) |
| Idrija to Hollister (California) | 6,077.63 mi (9,781.00 km) |
| Idrija to Holly Hill (Florida) | 5,021.19 mi (8,080.82 km) |
| Idrija to Holly Springs (Georgia) | 4,933.33 mi (7,939.43 km) |
| Idrija to Holly Springs (North Carolina) | 4,627.82 mi (7,447.76 km) |
| Idrija to Hollywood (Florida) | 5,136.03 mi (8,265.63 km) |
| Idrija to Holmen (Wisconsin) | 4,728.24 mi (7,609.36 km) |
| Idrija to Holt (Michigan) | 4,540.50 mi (7,307.23 km) |
| Idrija to Holtsville (New York) | 4,159.20 mi (6,693.58 km) |
| Idrija to Holyoke (Massachusetts) | 4,084.85 mi (6,573.94 km) |
| Idrija to Home Gardens (California) | 6,144.86 mi (9,889.20 km) |
