| Keystone to Hillcrest Heights (Maryland) | 807.42 mi (1,299.41 km) |
| Keystone to Hilliard (Ohio) | 823.11 mi (1,324.66 km) |
| Keystone to Hillsboro (Oregon) | 2,498.35 mi (4,020.70 km) |
| Keystone to Hillsborough (California) | 2,378.81 mi (3,828.33 km) |
| Keystone to Hillsborough (New Jersey) | 966.86 mi (1,556.01 km) |
| Keystone to Hilo (Hawaii) | 4,551.58 mi (7,325.06 km) |
| Keystone to Hilton Head Island (South Carolina) | 301.38 mi (485.03 km) |
| Keystone to Hinesville (Georgia) | 261.94 mi (421.54 km) |
| Keystone to Hinsdale (Illinois) | 990.92 mi (1,594.73 km) |
| Keystone to Hobart (Indiana) | 961.49 mi (1,547.36 km) |
| Keystone to Hobbs (New Mexico) | 1,263.10 mi (2,032.76 km) |
| Keystone to Hobe Sound (Florida) | 167.29 mi (269.22 km) |
| Keystone to Hoboken (New Jersey) | 997.85 mi (1,605.88 km) |
| Keystone to Hockessin (Delaware) | 896.70 mi (1,443.09 km) |
| Keystone to Hoffman Estates (Illinois) | 1,011.84 mi (1,628.39 km) |
