Paste the following code in functions.php

function blogger_query_vars_filter( $vars ) {
$vars[] = "blogger";
return $vars;
}

add_filter('query_vars', 'blogger_query_vars_filter');

function blogger_template_redirect() {
global $wp_query;
$blogger = $wp_query->query_vars['blogger'];
if ( isset ( $blogger ) ) {
wp_redirect( get_wordpress_url ( $blogger ) , 301 );
exit;
}
}

add_action( 'template_redirect', 'blogger_template_redirect' );

function get_wordpress_url($blogger) {
if ( preg_match('@^(?:https?://)?([^/]+)(.*)@i', $blogger, $url_parts) ) {
$query = new WP_Query ( 
array ( "meta_key" => "blogger_permalink", "meta_value" => $url_parts[2] ) );
if ($query->have_posts()) { 
$query->the_post();
$url = get_permalink(); 
} 
wp_reset_postdata(); 
} 
return $url ? $url : home_url();
}