| Oklahoma City to Hereford (Texas) | 279.62 mi (450.00 km) |
| Oklahoma City to Hermiston (Oregon) | 1,340.64 mi (2,157.56 km) |
| Oklahoma City to Hermitage (Pennsylvania) | 1,004.89 mi (1,617.21 km) |
| Oklahoma City to Hermosa Beach (California) | 1,189.63 mi (1,914.53 km) |
| Oklahoma City to Hernando (Mississippi) | 426.91 mi (687.04 km) |
| Oklahoma City to Herndon (Virginia) | 1,131.03 mi (1,820.21 km) |
| Oklahoma City to Herriman (Utah) | 861.36 mi (1,386.22 km) |
| Oklahoma City to Herrin (Illinois) | 496.93 mi (799.73 km) |
| Oklahoma City to Hershey (Pennsylvania) | 1,182.51 mi (1,903.07 km) |
| Oklahoma City to Hesperia (California) | 1,122.18 mi (1,805.97 km) |
| Oklahoma City to Hewitt (Texas) | 278.05 mi (447.48 km) |
| Oklahoma City to Hialeah (Florida) | 1,216.00 mi (1,956.96 km) |
| Oklahoma City to Hialeah Gardens (Florida) | 1,212.64 mi (1,951.56 km) |
| Oklahoma City to Hibbing (Minnesota) | 857.16 mi (1,379.46 km) |
| Oklahoma City to Hickory (North Carolina) | 908.74 mi (1,462.47 km) |
