In order to establish a point you MUST have latitude and longitude coordinates in one form or the other. Calculate the great circle distance between two points This calculator will find the distance between two pairs of coordinates to a very high degree of precision using the thoroughly nasty Vincenty Formula which accounts for the flattened shape of the earth. A ruler is commonly used to find the the distance between two points.
Distance 2 R a r c t a n a 1 a where the latitude is f the longitude is denoted as l and R corresponds to Earths mean radius in kilometers 6371.
Learn how to implement your own with Python. Lets us take an example to calculate bearing between the two different points with the formula. Take the coordinates of two points you want to find the distance between. If we place the 0 0 mark at the left endpoint and the mark on which the other endpoint falls on is the distance between two points.