| Oklahoma City to Hillcrest Heights (Maryland) | 1,152.73 mi (1,855.15 km) |
| Oklahoma City to Hilliard (Ohio) | 844.12 mi (1,358.49 km) |
| Oklahoma City to Hillsboro (Oregon) | 1,496.71 mi (2,408.73 km) |
| Oklahoma City to Hillsborough (California) | 1,383.18 mi (2,226.01 km) |
| Oklahoma City to Hillsborough (New Jersey) | 1,288.56 mi (2,073.74 km) |
| Oklahoma City to Hilo (Hawaii) | 3,637.76 mi (5,854.41 km) |
| Oklahoma City to Hilton Head Island (South Carolina) | 987.13 mi (1,588.63 km) |
| Oklahoma City to Hinesville (Georgia) | 947.32 mi (1,524.56 km) |
| Oklahoma City to Hinsdale (Illinois) | 676.85 mi (1,089.29 km) |
| Oklahoma City to Hobart (Indiana) | 692.89 mi (1,115.10 km) |
| Oklahoma City to Hobbs (New Mexico) | 374.33 mi (602.42 km) |
| Oklahoma City to Hobe Sound (Florida) | 1,175.87 mi (1,892.38 km) |
| Oklahoma City to Hoboken (New Jersey) | 1,323.34 mi (2,129.72 km) |
| Oklahoma City to Hockessin (Delaware) | 1,227.97 mi (1,976.23 km) |
| Oklahoma City to Hoffman Estates (Illinois) | 679.20 mi (1,093.07 km) |
