Distance between geographic centers of all US states

states.csv

states_distances.py

import pandas as pd
from geopy.distance import distance

# load csv with states' data. 
# this csv is included in this gist. 
# Data taken from https://en.wikipedia.org/wiki/List_of_geographic_centers_of_the_United_States#Updated_list_of_geographic_centers
# Coordinates correspond to Updated geographic centers of the states of the United States and Washington, DC
statesDF = pd.read_csv('states.csv');

# create distances dataframe
distancesDF = pd.DataFrame(columns=["state1", "state2", "distance"])

# Line 22 can be modified to calculate whichever distance is preferred. 

for state1, lat1, lon1 in zip(statesDF.state, statesDF.latitude, statesDF.longitude):
    for state2, lat2, lon2 in zip(statesDF.state, statesDF.latitude, statesDF.longitude):
        new_data= pd.DataFrame({
            "state1": [state1],
            "state2": [state2],
            "distance": [distance((lat1, lon1), (lat2, lon2)).miles]
            });
        distancesDF = pd.concat([distancesDF, new_data], ignore_index=True)

distancesDF.to_csv('state_distances.csv', index=False);