get_page_template_link

<?php
// Get your Page template link By template file
function get_page_template_link($template_file) {
    $archive_page = get_pages(
        array(
            'meta_key'   => '_wp_page_template',
            'meta_value' => $template_file,
        )
    );
    $archive_id = $archive_page[0]->ID;
    return get_permalink( $archive_id );
}

// Use
//  get_page_template_link('page-templates/template.php')