The distances are measured from the tip of home plate to the bottom of the fence.
they are measured in AU
Usually such distances are measured either in light-years, or in parsecs.
Long distances are measured in AU in Eve Online. For short distances, it is measured in KM.
It depends on what you are trying to measure. Long distances usually are measured in miles. Survey distances usually are measured in feet.
lightyear
Light years
Light Years
nobody
distances between cities are usually measured from the central post offices
Millimeters are typically used to measure very small distances, such as the thickness of paper, the diameter of wires, or the size of small electronic components.
by the property of reflection or electromagnetic waves
parsecs or light years