The most water-scarce region in the world is the Middle East and North Africa (MENA) where more than 60% of the population has little or no access to drinkable water and over 70% of the region's GDP is exposed to high or very high water stress.
It is 4,490 miles apart if you are talking about the one in rome. if not then it is 1.5 miles from the capitol building to the white house.