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Space submittd by Quateze Howard
Rather depends on the objects and what you are measuring! Gravitational, magnetic or electric charge.
Astronomical Unit- The distance between objects in the solar system!
An action at a distance is a term used to describe how masses attract when they are held at a certain distance. If one of these objects is charged is creates an electric field that can be felt by all other masses within a certain distance.
The term length is used to describe the measured distance from one end to another.
velocity
speed
Personal space is described as the distance between two people that a person feels comfortable.
Distance Decay
Alenation
velocity
I believe your asking for the term reffering to an objects change in position from its starting point. That term is displacement.