The driving time from Napa County to Portland via US-101 & CA-1 is 11 hours 18 minutes by road. You can also find other options to travel from Napa County to Portland via US-101 & CA-1 like bus, subway, tram, train and rail. To know the travel distances while planning a journey, find the
Distance from Napa County to Portland via US-101 & CA-1!