The distance between Napa to Yellowstone National Park via Reno, Idaho Falls is 1463 Mi by road. You can also find the distance from Napa to Yellowstone National Park via Reno, Idaho Falls using other travel options like bus, subway, tram, train and rail. Apart from the trip distance, refer
Directions from Napa to Yellowstone National Park via Reno, Idaho Falls for road driving directions!