Napa County Airport is served by 1 airline, flying from/to 3 destinationsLongest flight from Napa County Airport is Napa to 🇺🇸 Denver (APA), which takes around 1 hour and 45 minutes. On an airline like Netjets Aviation. More info on this flight route (APC-APA).Shortest flight from Napa County Airport is Napa to 🇺🇸 Denver (APA), which takes around 1 hour and 45 minutes. On an airline like Netjets Aviation. More info on this flight route (APC-APA).