| Middletown to Hillcrest Heights (Maryland) | 399.03 mi (642.18 km) |
| Middletown to Hilliard (Ohio) | 73.94 mi (119.00 km) |
| Middletown to Hillsboro (Oregon) | 1,987.85 mi (3,199.13 km) |
| Middletown to Hillsborough (California) | 2,042.69 mi (3,287.39 km) |
| Middletown to Hillsborough (New Jersey) | 518.47 mi (834.40 km) |
| Middletown to Hilo (Hawaii) | 4,352.04 mi (7,003.93 km) |
| Middletown to Hilton Head Island (South Carolina) | 544.26 mi (875.91 km) |
| Middletown to Hinesville (Georgia) | 552.49 mi (889.14 km) |
| Middletown to Hinsdale (Illinois) | 245.01 mi (394.30 km) |
| Middletown to Hobart (Indiana) | 206.43 mi (332.21 km) |
| Middletown to Hobbs (New Mexico) | 1,145.76 mi (1,843.92 km) |
| Middletown to Hobe Sound (Florida) | 892.52 mi (1,436.37 km) |
| Middletown to Hoboken (New Jersey) | 552.53 mi (889.21 km) |
| Middletown to Hockessin (Delaware) | 462.27 mi (743.95 km) |
| Middletown to Hoffman Estates (Illinois) | 265.33 mi (427.01 km) |
