| Troy to Hillcrest Heights (Maryland) | 414.23 mi (666.64 km) |
| Troy to Hilliard (Ohio) | 175.94 mi (283.15 km) |
| Troy to Hillsboro (Oregon) | 1,965.93 mi (3,163.85 km) |
| Troy to Hillsborough (California) | 2,083.21 mi (3,352.60 km) |
| Troy to Hillsborough (New Jersey) | 461.77 mi (743.15 km) |
| Troy to Hilo (Hawaii) | 4,402.10 mi (7,084.49 km) |
| Troy to Hilton Head Island (South Carolina) | 729.88 mi (1,174.63 km) |
| Troy to Hinesville (Georgia) | 747.96 mi (1,203.72 km) |
| Troy to Hinsdale (Illinois) | 250.62 mi (403.33 km) |
| Troy to Hobart (Indiana) | 224.21 mi (360.83 km) |
| Troy to Hobbs (New Mexico) | 1,284.25 mi (2,066.80 km) |
| Troy to Hobe Sound (Florida) | 1,084.81 mi (1,745.83 km) |
| Troy to Hoboken (New Jersey) | 487.15 mi (783.99 km) |
| Troy to Hockessin (Delaware) | 433.40 mi (697.49 km) |
| Troy to Hoffman Estates (Illinois) | 257.93 mi (415.10 km) |
