1. All the postcodes are simultaneously sent to Mapbox API, associated co-ordinates are received in reply
2. Rudimentary mathematics is run on each set of co-ordinates (Pythagoras)
3. The output is formatted as CSV for sorting with spreadsheet software etc.
Privacy notice: with the exception of postcode conversion, all data processing is done solely on the computer running this website, via client-side Javascript engines available within any modern web browser.
Javascript by Thomas. Framework by Vue.js v3.2.47.
Origins:
Note: max postcode to co-ordinates conversions per minute is 600 (Mapbox API)
Destinations:
Note: please only 1 comma (,) per line else the name will be cut short
Loading part #1: Finding co-ordinates of postcodes...
Loading part #2: Finding distances between source and destination co-ordinates...
Loading part #3: Sorting and formatting data...
Final CSV:
Note: the order will accurate, but the metre measurements are an approximation!