2 var Num = ARR_MARKERS.length;
if(Num == 0){
window.bridge.SlotRouteDistance(0);
return;
}
var distance = LEAFLET_MAP.distance(LATLNG_CENTER, ARR_MARKERS[0].getLatLng());
for(var i = 0; i < Num - 1; i++){
distance = distance + LEAFLET_MAP.distance(ARR_MARKERS[i].getLatLng(), ARR_MARKERS[i+1].getLatLng());
}
window.bridge.SlotRouteDistance(distance);
