dropdown with no submit

You can use “get_page_link” function to Retrieves the permalink for the current page (if in The Loop) or any arbitrary page ID if passed as the first argument.

something like this:

<a href="https://wordpress.stackexchange.com/questions/219011/<?php echo get_page_link( $page->ID ); ?>"><?php echo $page->post_title; ?></a>

Reference: https://codex.wordpress.org/Function_Reference/get_page_link