| Owings Mills to Hereford (Texas) | 1,440.89 mi (2,318.88 km) |
| Owings Mills to Hermiston (Oregon) | 2,178.74 mi (3,506.35 km) |
| Owings Mills to Hermitage (Pennsylvania) | 229.68 mi (369.63 km) |
| Owings Mills to Hermosa Beach (California) | 2,317.49 mi (3,729.64 km) |
| Owings Mills to Hernando (Mississippi) | 791.51 mi (1,273.82 km) |
| Owings Mills to Herndon (Virginia) | 44.13 mi (71.02 km) |
| Owings Mills to Herriman (Utah) | 1,854.84 mi (2,985.07 km) |
| Owings Mills to Herrin (Illinois) | 669.63 mi (1,077.67 km) |
| Owings Mills to Hershey (Pennsylvania) | 60.54 mi (97.43 km) |
| Owings Mills to Hesperia (California) | 2,246.49 mi (3,615.38 km) |
| Owings Mills to Hewitt (Texas) | 1,269.63 mi (2,043.27 km) |
| Owings Mills to Hialeah (Florida) | 957.49 mi (1,540.93 km) |
| Owings Mills to Hialeah Gardens (Florida) | 956.91 mi (1,540.00 km) |
| Owings Mills to Hibbing (Minnesota) | 977.92 mi (1,573.80 km) |
| Owings Mills to Hickory (North Carolina) | 354.69 mi (570.82 km) |
