| Irondale to Home Gardens (California) | 1,766.58 mi (2,843.04 km) |
| Irondale to Homer Glen (Illinois) | 561.36 mi (903.41 km) |
| Irondale to Homestead (Florida) | 671.25 mi (1,080.28 km) |
| Irondale to Homewood (Alabama) | 10.26 mi (16.51 km) |
| Irondale to Homewood (Illinois) | 556.49 mi (895.58 km) |
| Irondale to Homosassa Springs (Florida) | 407.65 mi (656.04 km) |
| Irondale to Honeygo (Maryland) | 697.26 mi (1,122.13 km) |
| Irondale to Honolulu (Hawaii) | 4,364.49 mi (7,023.97 km) |
| Irondale to Hoover (Alabama) | 14.32 mi (23.05 km) |
| Irondale to Hopatcong (New Jersey) | 834.01 mi (1,342.21 km) |
| Irondale to Hope Mills (North Carolina) | 450.56 mi (725.11 km) |
| Irondale to Hopewell (Virginia) | 586.93 mi (944.57 km) |
| Irondale to Hopkins (Minnesota) | 864.53 mi (1,391.32 km) |
| Irondale to Hopkinsville (Kentucky) | 232.23 mi (373.74 km) |
| Irondale to Horizon City (Texas) | 1,142.19 mi (1,838.18 km) |
