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Centroid, distance and smaller radius distance files are available for the following years for easier access. Each link has a the full distance file in csv, dta, and sas format, as well as folder containing similar files centroid data and 5, 25, 100, and 500 mile radius.
- City Distance Database - Place Distance Database | NBER
City Distance Database - Place Distance Database. Source...
- City Distance Database - Place Distance Database | NBER
Calculate the distance between two U.S. or Canadian ZIP codes. Distance Calculator from ZIP Code; Distance Calculator to ZIP Code
Easily find the distance between two cities in the world, zip codes or latitude and longitude. How long it takes to drive, walk, ride a bike or fly is also calculated.
I'd simply just create a zip_code_distances table and pre-compute the distances between all 42K zipcodes in the US which are within a 20-25 mile radius of each other.
Enter a city, a zipcode, or an address in both the Distance From and the Distance To address inputs. Click Calculate Distance, and the tool will place a marker at each of the two addresses on the map along with a line between them.
City Distance Database - Place Distance Database. Source Census. City Distances are great-circle distances calculated using the Haversine formula based on internal points in the geographic area. Places are from Census 2000 SF1 and Census 2010 SF1 files.
Calculate the distance between two ZIP codes to show your users the distance (road distance or as the crow flies) to the nearest store or dealer. It allows your website's visitors to find the nearest dealers to their home by entering their own ZIP code.
