| Napa to Hamtramck (Michigan) | 2,067.32 mi (3,327.04 km) |
| Napa to Hanahan (South Carolina) | 2,383.76 mi (3,836.29 km) |
| Napa to Hanford (California) | 199.16 mi (320.52 km) |
| Napa to Hannibal (Missouri) | 1,654.14 mi (2,662.09 km) |
| Napa to Hanover (Pennsylvania) | 2,407.47 mi (3,874.45 km) |
| Napa to Hanover Park (Illinois) | 1,809.84 mi (2,912.66 km) |
| Napa to Happy Valley (Oregon) | 493.32 mi (793.93 km) |
| Napa to Harker Heights (Texas) | 1,482.13 mi (2,385.26 km) |
| Napa to Harlingen (Texas) | 1,655.50 mi (2,664.27 km) |
| Napa to Harper Woods (Michigan) | 2,073.46 mi (3,336.91 km) |
| Napa to Harrisburg (North Carolina) | 2,294.07 mi (3,691.94 km) |
| Napa to Harrisburg (Pennsylvania) | 2,405.90 mi (3,871.92 km) |
| Napa to Harrison (Arkansas) | 1,604.07 mi (2,581.51 km) |
| Napa to Harrison (New Jersey) | 2,539.46 mi (4,086.86 km) |
| Napa to Harrison (New York) | 2,557.49 mi (4,115.89 km) |
