Haversine is most common and is perfectly suitable for determining approximate distance between any two points. Find the distance from cities in miles and kilometers for flying air distance. Using this tool is simple.
Provide the x1 y1 x2 and y2 values to find the distance using this distance between two points calculator.
Input the two places names and find out the distance between them. Using this tool is simple. Vincenty gives a better approximation because it assumes the shape of the earth of is a spheroid rather than a perfect sphere. This website allows you to find the distance between cities or any two places and get directions using Google maps.