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

Reference: https://geopy.readthedocs.io/en/stable/

Article Tags :

Python

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