| Walnut Creek to Hamtramck (Michigan) | 2,063.75 mi (3,321.28 km) |
| Walnut Creek to Hanahan (South Carolina) | 2,371.73 mi (3,816.93 km) |
| Walnut Creek to Hanford (California) | 170.60 mi (274.56 km) |
| Walnut Creek to Hannibal (Missouri) | 1,646.74 mi (2,650.18 km) |
| Walnut Creek to Hanover (Pennsylvania) | 2,402.04 mi (3,865.71 km) |
| Walnut Creek to Hanover Park (Illinois) | 1,805.50 mi (2,905.68 km) |
| Walnut Creek to Happy Valley (Oregon) | 521.07 mi (838.57 km) |
| Walnut Creek to Harker Heights (Texas) | 1,462.61 mi (2,353.85 km) |
| Walnut Creek to Harlingen (Texas) | 1,631.82 mi (2,626.16 km) |
| Walnut Creek to Harper Woods (Michigan) | 2,069.94 mi (3,331.25 km) |
| Walnut Creek to Harrisburg (North Carolina) | 2,283.90 mi (3,675.59 km) |
| Walnut Creek to Harrisburg (Pennsylvania) | 2,400.90 mi (3,863.88 km) |
| Walnut Creek to Harrison (Arkansas) | 1,592.02 mi (2,562.11 km) |
| Walnut Creek to Harrison (New Jersey) | 2,535.26 mi (4,080.10 km) |
| Walnut Creek to Harrison (New York) | 2,553.60 mi (4,109.62 km) |
