| Signal Hill to Hillcrest Heights (Maryland) | 2,300.42 mi (3,702.16 km) |
| Signal Hill to Hilliard (Ohio) | 1,967.93 mi (3,167.08 km) |
| Signal Hill to Hillsboro (Oregon) | 848.42 mi (1,365.40 km) |
| Signal Hill to Hillsborough (California) | 350.05 mi (563.35 km) |
| Signal Hill to Hillsborough (New Jersey) | 2,415.62 mi (3,887.57 km) |
| Signal Hill to Hilo (Hawaii) | 2,460.83 mi (3,960.32 km) |
| Signal Hill to Hilton Head Island (South Carolina) | 2,159.30 mi (3,475.06 km) |
| Signal Hill to Hinesville (Georgia) | 2,115.97 mi (3,405.32 km) |
| Signal Hill to Hinsdale (Illinois) | 1,730.43 mi (2,784.86 km) |
| Signal Hill to Hobart (Indiana) | 1,761.10 mi (2,834.21 km) |
| Signal Hill to Hobbs (New Mexico) | 869.44 mi (1,399.23 km) |
| Signal Hill to Hobe Sound (Florida) | 2,299.03 mi (3,699.93 km) |
| Signal Hill to Hoboken (New Jersey) | 2,447.39 mi (3,938.70 km) |
| Signal Hill to Hockessin (Delaware) | 2,364.31 mi (3,804.99 km) |
| Signal Hill to Hoffman Estates (Illinois) | 1,722.15 mi (2,771.53 km) |
