| Owings Mills to Harrison (Ohio) | 427.27 mi (687.63 km) |
| Owings Mills to Harrison (Wisconsin) | 677.46 mi (1,090.27 km) |
| Owings Mills to Harrisonburg (Virginia) | 130.64 mi (210.24 km) |
| Owings Mills to Hartford (Connecticut) | 269.99 mi (434.51 km) |
| Owings Mills to Hartford (Wisconsin) | 658.04 mi (1,059.01 km) |
| Owings Mills to Hartselle (Alabama) | 656.81 mi (1,057.04 km) |
| Owings Mills to Hartsville (Tennessee) | 551.22 mi (887.10 km) |
| Owings Mills to Harvey (Illinois) | 589.90 mi (949.36 km) |
| Owings Mills to Harvey (Louisiana) | 999.17 mi (1,608.02 km) |
| Owings Mills to Hasbrouck Heights (New Jersey) | 175.03 mi (281.69 km) |
| Owings Mills to Haslett (Michigan) | 458.42 mi (737.76 km) |
| Owings Mills to Hastings (Minnesota) | 900.07 mi (1,448.52 km) |
| Owings Mills to Hastings (Nebraska) | 1,143.18 mi (1,839.76 km) |
| Owings Mills to Hattiesburg (Mississippi) | 899.41 mi (1,447.45 km) |
| Owings Mills to Hauppauge (New York) | 212.76 mi (342.40 km) |
