20 miles.
Its perpendicular distance.
A Straight Line is always the shortest distance between two points.
The shortest distance between two points is... a straight line.
a straight line
a straight line
Multiple straight lines.
Two points in a plane.
It is 766 miles straight line distance
On a flat plane, it is a straight line.
The shortest distance between two points is always a straight line.
The displacement is 6km because it is the straight-line distance from the starting point to the final point. The displacement represents the shortest path between the two points, regardless of the actual distance traveled.
It has been said that a straight line is the shortest distance between two points.