| Walnut Creek to Horizon West (Florida) | 2,407.21 mi (3,874.03 km) |
| Walnut Creek to Hormigueros (Puerto Rico) | 3,559.70 mi (5,728.78 km) |
| Walnut Creek to Horn Lake (Mississippi) | 1,781.32 mi (2,866.75 km) |
| Walnut Creek to Hot Springs (Arkansas) | 1,626.88 mi (2,618.21 km) |
| Walnut Creek to Hot Springs Village (Arkansas) | 1,628.25 mi (2,620.41 km) |
| Walnut Creek to Houma (Louisiana) | 1,879.61 mi (3,024.94 km) |
| Walnut Creek to Houston (Texas) | 1,622.07 mi (2,610.47 km) |
| Walnut Creek to Howard (Wisconsin) | 1,808.75 mi (2,910.90 km) |
| Walnut Creek to Huber Heights (Ohio) | 2,029.11 mi (3,265.53 km) |
| Walnut Creek to Hudson (Florida) | 2,351.29 mi (3,784.04 km) |
| Walnut Creek to Hudson (Ohio) | 2,154.85 mi (3,467.90 km) |
| Walnut Creek to Hudson (Wisconsin) | 1,584.63 mi (2,550.22 km) |
| Walnut Creek to Hueytown (Alabama) | 1,978.17 mi (3,183.55 km) |
| Walnut Creek to Hugo (Minnesota) | 1,575.58 mi (2,535.64 km) |
| Walnut Creek to Humacao (Puerto Rico) | 3,629.82 mi (5,841.63 km) |
