Research shows that wearing your mask, and opening the front passenger window, and the window behind the driver seat helps to reduce the spread of the novel coronavirus in your vehicle. See this NY Times article.
We are 2 adults and 2 Kids of 10 and 13 years old. French people Who want to visit Fatima. If we can go to Fatima and come back to Nazaré the very same day it would be perfect but we can try to find someone else for the way back