How do I set up shipping for US & Canada only on my new store?

Hi, I am new to shopify and in a process to setup my store. I m struggling to setup shipping process. I would apricate if anyone could assist me to setup this. As I want to ship US & Canada only and I have no idea about the rates. Do I need to get any third party app for shipping (as free shipping is taking too much time), if yes then please let me know which the best one to sort this issue.

Many thanks

Many Thanks for your prompt assistance. Do you think CJ dropshipping app, would be able to solve my issue as I have already installed this on my system or should I go with the above mentioned ones?

Many thanks for clearing my doubts, your reply was very well explained and easy to understand. Do I need to buy Shopify Advance plan to setup these shipping settings?