The endocannabinoid system (ECS) is a set of signaling molecules in the central and peripheral nervous system that helps regulate processes of the body such as appetite, pain, mood, and memory.
Driving distance from Alexandria, VA to Manassas, VA. The total driving distance from Alexandria, VA to Manassas, VA is 36 miles or 58 kilometers. Your trip begins in Alexandria, Virginia. It ends in Manassas, Virginia. If you are planning a road trip, you might also want to calculate the total driving time from Alexandria, VA to Manassas, VA so you can see when you'll arrive at your destination.
Eratosthenes estimated the distance from Alexandria to Syene as 5,000 stadia, or about 500 miles (800 kilometers). He made this estimation from the time it took walkers, who were trained to measure distances by taking regular strides, to trek between the cities.