Distance
Distance is how far one thing is from another thing. Distance is the measure of the space between two things.
Examples of Distance
editDisplacement
editDistance is different from displacement. Displacement is the difference between your starting point and your finishing point.
Example of Displacement
editA and B are 1 metre apart. Tom walks from A to B. Then Tom walks from B back to A. The distance Tom walked is 2 metres. Tom's displacement is 0 metres, because Tom started at A and finished at A.