| Owings Mills to Hamtramck (Michigan) | 386.53 mi (622.06 km) |
| Owings Mills to Hanahan (South Carolina) | 482.21 mi (776.05 km) |
| Owings Mills to Hanford (California) | 2,325.67 mi (3,742.80 km) |
| Owings Mills to Hannibal (Missouri) | 777.26 mi (1,250.88 km) |
| Owings Mills to Hanover (Pennsylvania) | 29.49 mi (47.46 km) |
| Owings Mills to Hanover Park (Illinois) | 620.14 mi (998.01 km) |
| Owings Mills to Happy Valley (Oregon) | 2,336.23 mi (3,759.80 km) |
| Owings Mills to Harker Heights (Texas) | 1,306.50 mi (2,102.60 km) |
| Owings Mills to Harlingen (Texas) | 1,512.92 mi (2,434.81 km) |
| Owings Mills to Harper Woods (Michigan) | 382.51 mi (615.59 km) |
| Owings Mills to Harrisburg (North Carolina) | 353.58 mi (569.04 km) |
| Owings Mills to Harrisburg (Pennsylvania) | 59.88 mi (96.37 km) |
| Owings Mills to Harrison (Arkansas) | 916.18 mi (1,474.45 km) |
| Owings Mills to Harrison (New Jersey) | 167.08 mi (268.88 km) |
| Owings Mills to Harrison (New York) | 196.64 mi (316.46 km) |
