Google Maps: Poner varias localizaciones

<script src='http://maps.google.com/maps/api/js?sensor=false&libraries=geometry&v=3.7'></script>
<script src='js/maplace.js'></script>

<div id='gmap' style='width:894px;height:450px;margin:auto;'></div>                       
  <script>
  $(function() {
       new Maplace({
                locations: [{lat:40.413825, lon:-3.707045}, {lat:39.4752012, lon:-6.371665900000039}, {lat:41.6789391, lon:-0.9675417999999354}, {lat:37.4125937, lon:-5.926850699999932}, {lat:42.2934056, lon:-5.520870000000059}],
                controls_on_map: false
        }).Load();
  });
  </script>