Index: src/wp-admin/options-general.php
===================================================================
--- src/wp-admin/options-general.php	(revision 29514)
+++ src/wp-admin/options-general.php	(working copy)
@@ -303,7 +303,17 @@
 </tr>
 <?php do_settings_fields('general', 'default'); ?>
 <?php
+	require( ABSPATH . 'wp-admin/includes/upgrade.php' );
 	$languages = get_available_languages();
+	$api_languages = wp_get_available_translations_from_api();
+
+	array_push( $languages, '-----------' ); // Separator for local and remote languages
+	foreach ( $api_languages as $api_language ) {
+		if ( ! in_array( $api_language['language'], $languages ) ) {
+			array_push( $languages, $api_language['language'] );
+		}
+	}
+
 	if ( $languages ) :
 ?>
 	<tr>