| Oklahoma City to Harrison (Ohio) | 745.54 mi (1,199.84 km) |
| Oklahoma City to Harrison (Wisconsin) | 775.34 mi (1,247.79 km) |
| Oklahoma City to Harrisonburg (Virginia) | 1,047.53 mi (1,685.84 km) |
| Oklahoma City to Hartford (Connecticut) | 1,403.53 mi (2,258.76 km) |
| Oklahoma City to Hartford (Wisconsin) | 728.78 mi (1,172.86 km) |
| Oklahoma City to Hartselle (Alabama) | 602.71 mi (969.97 km) |
| Oklahoma City to Hartsville (Tennessee) | 638.21 mi (1,027.10 km) |
| Oklahoma City to Harvey (Illinois) | 680.42 mi (1,095.02 km) |
| Oklahoma City to Harvey (Louisiana) | 579.49 mi (932.60 km) |
| Oklahoma City to Hasbrouck Heights (New Jersey) | 1,322.17 mi (2,127.82 km) |
| Oklahoma City to Haslett (Michigan) | 862.92 mi (1,388.73 km) |
| Oklahoma City to Hastings (Minnesota) | 685.53 mi (1,103.25 km) |
| Oklahoma City to Hastings (Nebraska) | 357.53 mi (575.40 km) |
| Oklahoma City to Hattiesburg (Mississippi) | 553.07 mi (890.08 km) |
| Oklahoma City to Hauppauge (New York) | 1,366.41 mi (2,199.02 km) |
