| Walnut Creek to Hillcrest Heights (Maryland) | 2,417.43 mi (3,890.48 km) |
| Walnut Creek to Hilliard (Ohio) | 2,077.32 mi (3,343.13 km) |
| Walnut Creek to Hillsboro (Oregon) | 528.84 mi (851.09 km) |
| Walnut Creek to Hillsborough (California) | 29.53 mi (47.53 km) |
| Walnut Creek to Hillsborough (New Jersey) | 2,512.91 mi (4,044.14 km) |
| Walnut Creek to Hilo (Hawaii) | 2,344.40 mi (3,772.95 km) |
| Walnut Creek to Hilton Head Island (South Carolina) | 2,349.36 mi (3,780.93 km) |
| Walnut Creek to Hinesville (Georgia) | 2,311.60 mi (3,720.16 km) |
| Walnut Creek to Hinsdale (Illinois) | 1,817.25 mi (2,924.58 km) |
| Walnut Creek to Hobart (Indiana) | 1,852.14 mi (2,980.73 km) |
| Walnut Creek to Hobbs (New Mexico) | 1,120.47 mi (1,803.22 km) |
| Walnut Creek to Hobe Sound (Florida) | 2,530.49 mi (4,072.43 km) |
| Walnut Creek to Hoboken (New Jersey) | 2,541.64 mi (4,090.37 km) |
| Walnut Creek to Hockessin (Delaware) | 2,470.07 mi (3,975.20 km) |
| Walnut Creek to Hoffman Estates (Illinois) | 1,805.16 mi (2,905.12 km) |
