(the crow-fly distance along the earth's surface) Click here to find the latitude and longitude of your location (check the "latitude and longitude" box)
Enter Parameters of Location 1:
Hint: Latitude values for the northern hemisphere are positive. Longitude values for the western hemisphere are negative.
For example, the parameters of Williamstown, MA are 42.6848 and -73.2282.
(though interestingly, the sign doesn't affect the result, so long as you're consistent)
Note: To find the latitude and longitude of someone's location to six significant figures, Click here (check the "latitude and longitude" box)
Assumptions:
(a) The earth is a perfect spere with radius 3960 miles
(b) The two locations are at the centers of their respective towns