In this thread Scattermapbox plot curved lines like Scattergeo you can find the functions point_sphere, and slerp that implement the shortest path on maps.
To get more details on slerp just google for this term.
In this thread Scattermapbox plot curved lines like Scattergeo you can find the functions point_sphere, and slerp that implement the shortest path on maps.
To get more details on slerp just google for this term.