from geopy.geocoders import Nominatim
geolocator = Nominatim(user_agent="rajarcsp")
from geopy import distance

def get_distance(one, two):
    cone = geolocator.geocode(one)
    ctwo = geolocator.geocode(two)

    one_latlong = cone.latitude, ctwo.longitude
    two_latlong = ctwo.latitude, ctwo.longitude

    return distance.distance(one_latlong, two_latlong).km

c_distance = get_distance("Montreal", "Toronto")

c_distance

204.82868885995472

# Google distance is 540 km

get_distance("Montreal", "Waterloo")

225.6149620026681

# Google distance is 638 km

def get_circle_distance(one, two):
    cone = geolocator.geocode(one)
    ctwo = geolocator.geocode(two)

    one_latlong = cone.latitude, ctwo.longitude
    two_latlong = ctwo.latitude, ctwo.longitude

    return distance.great_circle(one_latlong, two_latlong).km

get_circle_distance("Montreal", "Waterloo")

225.764037559234