| Napa to Altus (Oklahoma) | 1,298.51 mi (2,089.76 km) |
| Napa to Alum Rock (California) | 69.21 mi (111.38 km) |
| Napa to Alvin (Texas) | 1,660.03 mi (2,671.56 km) |
| Napa to Amarillo (Texas) | 1,150.79 mi (1,852.03 km) |
| Napa to Amelia (Ohio) | 2,039.86 mi (3,282.84 km) |
| Napa to American Canyon (California) | 8.47 mi (13.63 km) |
| Napa to American Fork (Utah) | 579.13 mi (932.01 km) |
| Napa to Americus (Georgia) | 2,176.86 mi (3,503.32 km) |
| Napa to Ames (Iowa) | 1,528.71 mi (2,460.22 km) |
| Napa to Amherst (Ohio) | 2,117.36 mi (3,407.56 km) |
| Napa to Ammon (Idaho) | 647.24 mi (1,041.63 km) |
| Napa to Amsterdam (New York) | 2,508.91 mi (4,037.70 km) |
| Napa to Anacortes (Washington) | 704.27 mi (1,133.42 km) |
| Napa to Anaheim (California) | 395.47 mi (636.44 km) |
| Napa to Anchorage (Alaska) | 1,952.62 mi (3,142.43 km) |
