| Napa to Abilene (Texas) | 1,329.70 mi (2,139.95 km) |
| Napa to Accokeek (Maryland) | 2,424.43 mi (3,901.75 km) |
| Napa to Acworth (Georgia) | 2,104.41 mi (3,386.72 km) |
| Napa to Ada (Oklahoma) | 1,439.07 mi (2,315.96 km) |
| Napa to Addison (Illinois) | 1,817.03 mi (2,924.24 km) |
| Napa to Addison (Texas) | 1,471.75 mi (2,368.55 km) |
| Napa to Adelanto (California) | 372.63 mi (599.70 km) |
| Napa to Adelphi (Maryland) | 2,421.01 mi (3,896.24 km) |
| Napa to Adrian (Michigan) | 2,020.31 mi (3,251.37 km) |
| Napa to Affton (Missouri) | 1,722.05 mi (2,771.37 km) |
| Napa to Agoura Hills (California) | 347.80 mi (559.73 km) |
| Napa to Aguadilla (Puerto Rico) | 3,563.53 mi (5,734.95 km) |
| Napa to Aiken (South Carolina) | 2,275.88 mi (3,662.67 km) |
| Napa to Akron (Ohio) | 2,156.93 mi (3,471.24 km) |
| Napa to Alabaster (Alabama) | 2,007.32 mi (3,230.47 km) |
