| Napa to Ashtabula (Ohio) | 2,186.28 mi (3,518.48 km) |
| Napa to Ashwaubenon (Wisconsin) | 1,809.95 mi (2,912.84 km) |
| Napa to Aspen Hill (Maryland) | 2,413.41 mi (3,884.00 km) |
| Napa to Astoria (Oregon) | 550.39 mi (885.77 km) |
| Napa to Atascadero (California) | 213.98 mi (344.36 km) |
| Napa to Atascocita (Texas) | 1,645.88 mi (2,648.80 km) |
| Napa to Atchison (Kansas) | 1,457.11 mi (2,345.00 km) |
| Napa to Athens (Alabama) | 1,965.32 mi (3,162.87 km) |
| Napa to Athens (Georgia) | 2,177.28 mi (3,503.99 km) |
| Napa to Athens (Ohio) | 2,147.56 mi (3,456.17 km) |
| Napa to Athens (Tennessee) | 2,078.27 mi (3,344.66 km) |
| Napa to Athens (Texas) | 1,545.67 mi (2,487.51 km) |
| Napa to Atlanta (Georgia) | 2,124.62 mi (3,419.25 km) |
| Napa to Atlantic Beach (Florida) | 2,377.00 mi (3,825.41 km) |
| Napa to Atlantic City (New Jersey) | 2,545.47 mi (4,096.54 km) |
