3- Go to WooCommerce-> Settings-> Shipping zones
4- Edit each shipping zone and resave it
5- Go to WPML-> String Translation and translate them
6- Check the checkout page on the front end
Kindly let me know if the above steps helped you fix the issue.
1- Go to WPML-> Theme and plugins localization, select your theme/plugin, and scan
2- Go to WPML-> String Translation
3- Scroll down and click on the "Translate texts in admin screens »" link
4- Search for the needed strings
5- Select the strings
6- Click on the "Add to String Translation" button
7- Then click on the "« Return to String Translation" link
8- Translate the strings, clear the cache, and check the front end
