| Owings Mills to Home Gardens (California) | 2,270.03 mi (3,653.25 km) |
| Owings Mills to Homer Glen (Illinois) | 604.96 mi (973.58 km) |
| Owings Mills to Homestead (Florida) | 986.55 mi (1,587.71 km) |
| Owings Mills to Homewood (Alabama) | 691.41 mi (1,112.72 km) |
| Owings Mills to Homewood (Illinois) | 589.71 mi (949.05 km) |
| Owings Mills to Homosassa Springs (Florida) | 802.31 mi (1,291.20 km) |
| Owings Mills to Honeygo (Maryland) | 19.39 mi (31.20 km) |
| Owings Mills to Honolulu (Hawaii) | 4,833.11 mi (7,778.14 km) |
| Owings Mills to Hoover (Alabama) | 695.08 mi (1,118.62 km) |
| Owings Mills to Hopatcong (New Jersey) | 154.99 mi (249.44 km) |
| Owings Mills to Hope Mills (North Carolina) | 329.18 mi (529.76 km) |
| Owings Mills to Hopewell (Virginia) | 149.03 mi (239.85 km) |
| Owings Mills to Hopkins (Minnesota) | 929.96 mi (1,496.63 km) |
| Owings Mills to Hopkinsville (Kentucky) | 607.00 mi (976.87 km) |
| Owings Mills to Horizon City (Texas) | 1,727.97 mi (2,780.90 km) |
