| Napa to Hillcrest Heights (Maryland) | 2,423.73 mi (3,900.62 km) |
| Napa to Hilliard (Ohio) | 2,083.39 mi (3,352.90 km) |
| Napa to Hillsboro (Oregon) | 500.59 mi (805.62 km) |
| Napa to Hillsborough (California) | 51.25 mi (82.47 km) |
| Napa to Hillsborough (New Jersey) | 2,517.38 mi (4,051.34 km) |
| Napa to Hilo (Hawaii) | 2,342.27 mi (3,769.52 km) |
| Napa to Hilton Head Island (South Carolina) | 2,362.19 mi (3,801.58 km) |
| Napa to Hinesville (Georgia) | 2,324.97 mi (3,741.67 km) |
| Napa to Hinsdale (Illinois) | 1,821.79 mi (2,931.89 km) |
| Napa to Hobart (Indiana) | 1,856.99 mi (2,988.53 km) |
| Napa to Hobbs (New Mexico) | 1,140.60 mi (1,835.63 km) |
| Napa to Hobe Sound (Florida) | 2,546.92 mi (4,098.87 km) |
| Napa to Hoboken (New Jersey) | 2,545.82 mi (4,097.10 km) |
| Napa to Hockessin (Delaware) | 2,475.33 mi (3,983.67 km) |
| Napa to Hoffman Estates (Illinois) | 1,809.40 mi (2,911.95 km) |
