Changes link destination of 'Continue Shopping' button on cart page http://webandtechstuff.com/continue-shopping-button-woocommerce-cart/
<?php
// Changes link destination of 'Continue Shopping' button on cart page
add_filter( 'woocommerce_continue_shopping_redirect', 'my_custom_continue_redirect' );
function my_custom_continue_redirect( $url ) {
return 'http://mydomain.com/url';
}