| Oklahoma City to Hamtramck (Michigan) | 910.77 mi (1,465.74 km) |
| Oklahoma City to Hanahan (South Carolina) | 1,014.52 mi (1,632.71 km) |
| Oklahoma City to Hanford (California) | 1,237.97 mi (1,992.33 km) |
| Oklahoma City to Hannibal (Missouri) | 444.96 mi (716.10 km) |
| Oklahoma City to Hanover (Pennsylvania) | 1,159.76 mi (1,866.45 km) |
| Oklahoma City to Hanover Park (Illinois) | 675.72 mi (1,087.47 km) |
| Oklahoma City to Happy Valley (Oregon) | 1,475.05 mi (2,373.87 km) |
| Oklahoma City to Harker Heights (Texas) | 304.82 mi (490.57 km) |
| Oklahoma City to Harlingen (Texas) | 641.00 mi (1,031.59 km) |
| Oklahoma City to Harper Woods (Michigan) | 917.89 mi (1,477.21 km) |
| Oklahoma City to Harrisburg (North Carolina) | 948.86 mi (1,527.04 km) |
| Oklahoma City to Harrisburg (Pennsylvania) | 1,170.06 mi (1,883.02 km) |
| Oklahoma City to Harrison (Arkansas) | 251.80 mi (405.24 km) |
| Oklahoma City to Harrison (New Jersey) | 1,316.85 mi (2,119.27 km) |
| Oklahoma City to Harrison (New York) | 1,342.18 mi (2,160.03 km) |
