Talend haven't this function
You can use or API (like Google) or databases with GEO information and database functions for calc distance from latitude/longitude
You can search for some commercial source of information or collect them from everywhere, like:
https://github.com/Gibbs/uk-postcodes
https://www.maxmind.com/en/free-world-cities-database
store in PostgreSQL or MySQL and design Your Job
