| Irondale to Hazelwood (Missouri) | 418.00 mi (672.71 km) |
| Irondale to Hazleton (Pennsylvania) | 778.31 mi (1,252.57 km) |
| Irondale to Healdsburg (California) | 2,038.35 mi (3,280.41 km) |
| Irondale to Heath (Ohio) | 504.80 mi (812.39 km) |
| Irondale to Heber (Utah) | 1,441.10 mi (2,319.23 km) |
| Irondale to Helena (Alabama) | 21.95 mi (35.33 km) |
| Irondale to Helena (Montana) | 1,604.56 mi (2,582.29 km) |
| Irondale to Hemet (California) | 1,738.72 mi (2,798.20 km) |
| Irondale to Henderson (Kentucky) | 301.25 mi (484.82 km) |
| Irondale to Henderson (Nevada) | 1,613.74 mi (2,597.06 km) |
| Irondale to Henderson (North Carolina) | 504.82 mi (812.43 km) |
| Irondale to Henderson (Texas) | 481.69 mi (775.21 km) |
| Irondale to Hendersonville (North Carolina) | 269.24 mi (433.30 km) |
| Irondale to Hendersonville (Tennessee) | 190.89 mi (307.22 km) |
| Irondale to Hercules (California) | 2,006.67 mi (3,229.43 km) |
