| Oklahoma City to Hazelwood (Missouri) | 454.52 mi (731.49 km) |
| Oklahoma City to Hazleton (Pennsylvania) | 1,225.56 mi (1,972.35 km) |
| Oklahoma City to Healdsburg (California) | 1,410.35 mi (2,269.75 km) |
| Oklahoma City to Heath (Ohio) | 880.19 mi (1,416.53 km) |
| Oklahoma City to Heber (Utah) | 831.17 mi (1,337.64 km) |
| Oklahoma City to Helena (Alabama) | 624.58 mi (1,005.17 km) |
| Oklahoma City to Helena (Montana) | 1,075.04 mi (1,730.11 km) |
| Oklahoma City to Hemet (California) | 1,112.69 mi (1,790.71 km) |
| Oklahoma City to Henderson (Kentucky) | 574.18 mi (924.05 km) |
| Oklahoma City to Henderson (Nevada) | 982.19 mi (1,580.69 km) |
| Oklahoma City to Henderson (North Carolina) | 1,068.87 mi (1,720.17 km) |
| Oklahoma City to Henderson (Texas) | 276.81 mi (445.49 km) |
| Oklahoma City to Hendersonville (North Carolina) | 847.23 mi (1,363.49 km) |
| Oklahoma City to Hendersonville (Tennessee) | 613.35 mi (987.09 km) |
| Oklahoma City to Hercules (California) | 1,377.09 mi (2,216.21 km) |
