# Python | Calculate Distance between two places using Geopy

GeoPy is a Python library that makes geographical calculations easier for the users. In this article, we will see how to calculate the distance between 2 points on the earth in two ways.

How to Install GeoPy ?

`pip install geopy`

Geodesic Distance:
It is the length of the shortest path between 2 points on any surface. In our case, the surface is the earth. Below program illustrates how to calculate geodesic distance from latitude-longitude data.

 `# Importing the geodesic module from the library ` `from` `geopy.distance ``import` `geodesic ` ` `  `# Loading the lat-long data for Kolkata & Delhi ` `kolkata ``=` `(``22.5726``, ``88.3639``) ` `delhi ``=` `(``28.7041``, ``77.1025``) ` ` `  `# Print the distance calculated in km ` `print``(geodesic(kolkata, delhi).km) `

Output:

`1318.13891581683`

Great Circle Distance:
It is the length of the shortest path between 2 points on a sphere. In this case, the earth is assumed to be a perfect sphere. Below program illustrates how to calculate great-circle distance from latitude-longitude data.

 `# Importing the great_circle module from the library ` `from` `geopy.distance ``import` `great_circle ` ` `  `# Loading the lat-long data for Kolkata & Delhi ` `kolkata ``=` `(``22.5726``, ``88.3639``) ` `delhi ``=` `(``28.7041``, ``77.1025``) ` ` `  `# Print the distance calculated in km ` `print``(great_circle(kolkata, delhi).km) `

Output:

`1317.7554645657162`

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