EXCEL TO KML FILE!!! I have worked alot on it before... I will provide you 100% accurate KML file after testing on google earth.
Here sir, I have worked for a client in which client provided me the energy meter reading files of 20,000 consumer , in each file there was a coloumn for Longitude and Latitude, I imported all the data to Google earth created the KML file and submit.. I have experience to do this work, I can start immeditely and will complete your work within your time limit and budget, Pleasse text me to discuss more.
For reference, Here is the link of similar work I hve completed for client, You can check client's review:
https://www.freelancer.pk/projects/excel/Excel-KML-28943779/reviews