$ sudo apt-get update
$ sudo apt-get install python-geographiclib 

python-geographiclib is installed in your system.

Make ensure the python-geographiclib package were installed using the commands given below,

$ sudo dpkg-query -l | grep python-geographiclib *

You will get with python-geographiclib package name, version, architecture and description in a table

python-geographiclib package basic information: