Hello,
My understanding for the project is you are looking out to have a custom calculator designed and built which will calculate kilometers on the basis of the locations entered by user and accordingly calculates cost by considering quantity & item. We have extensive expertise at custom development and can help you with this regard. So please let me know your views. So we can move forward with a more detailed plan. We ensure you the quality work. Exact quote on chat. Any query, please private message.
Regards,
Meghna R.