![worksheet function - How to do a "great circle" calculation in MS Excel or LibreOffice? - Super User worksheet function - How to do a "great circle" calculation in MS Excel or LibreOffice? - Super User](https://i.stack.imgur.com/3hdM1.png)
worksheet function - How to do a "great circle" calculation in MS Excel or LibreOffice? - Super User
Smashwords – H. Rajpoot's formula to compute the minimum distance or great circle distance between any two arbitrary points on any sphere or globe for given values of latitude & longitude –
![geometry - Converting the Great Circle distance to direct distance between two points on earth? - Mathematics Stack Exchange geometry - Converting the Great Circle distance to direct distance between two points on earth? - Mathematics Stack Exchange](https://i.stack.imgur.com/q2Gib.png)