| Havre de Grace to Homer Glen (Illinois) | 636.58 mi (1,024.48 km) |
| Havre de Grace to Homestead (Florida) | 1,004.80 mi (1,617.06 km) |
| Havre de Grace to Homewood (Alabama) | 726.88 mi (1,169.80 km) |
| Havre de Grace to Homewood (Illinois) | 621.35 mi (999.97 km) |
| Havre de Grace to Homosassa Springs (Florida) | 827.12 mi (1,331.12 km) |
| Havre de Grace to Honeygo (Maryland) | 19.41 mi (31.23 km) |
| Havre de Grace to Honolulu (Hawaii) | 4,866.51 mi (7,831.90 km) |
| Havre de Grace to Hoover (Alabama) | 730.47 mi (1,175.57 km) |
| Havre de Grace to Hopatcong (New Jersey) | 123.80 mi (199.24 km) |
| Havre de Grace to Hope Mills (North Carolina) | 352.77 mi (567.73 km) |
| Havre de Grace to Hopewell (Virginia) | 168.56 mi (271.28 km) |
| Havre de Grace to Hopkins (Minnesota) | 956.95 mi (1,540.06 km) |
| Havre de Grace to Hopkinsville (Kentucky) | 644.29 mi (1,036.88 km) |
| Havre de Grace to Horizon City (Texas) | 1,765.07 mi (2,840.60 km) |
| Havre de Grace to Horizon West (Florida) | 829.07 mi (1,334.27 km) |
