JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://maps.googleapis.com/maps/api/js?v=3.exp&signed_in=true"></script>
<h1>Hospitals</h1>
<form>
    <label>Zip code:</label><input type="text">
    <input class="form-submit" type="submit" value="Geocode me!">
</form>    
<div id="hospitals"></div>

CSS

.hospital {
    margin: 0 0 1em;
}

JavaScript

$(document).ready(function() {
    var hcafeed = 'https://hcafeeds.medcity.net/rss/er/ntx_rss_feed.xml';
    var yql = 'https://query.yahooapis.com/v1/public/yql?q=' + encodeURIComponent('select * from rss where url="' + hcafeed + '"') + '&format=json&diagnostics=true&callback=?';
    
    //=-=-=-
    var directionsService = new google.maps.DirectionsService();
   
    var hospitals = [];
    
    function getElementByXpath(path) {
      return document.evaluate(path, document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;
    }
    
    function calcDistance(key) {
        
        if (key < hospitals.length){
            
          console.log(key)
          var start = "1600 Amphitheatre Pkwy Mountain View, CA 94043";
          var end = hospitals[key].addy.replace(/\<.*?\>/gi, "");
          var request = {
              origin:start,
              destination:end,
              travelMode: google.maps.TravelMode.DRIVING
          };
          directionsService.route(request, function(response, status) {
            if (status == google.maps.DirectionsStatus.OK) {
                //directionsDisplay.setDirections(response);
                //console.log(response)
                getElementByXpath("//div[@data-key="+key+"]/div[@class='distance']").innerHTML = response.routes[0].legs[0].distance.text;
                
                //console.log(response.routes[0].legs[0].distance.text)
                
                calcDistance(++key);
            } else {
                //wait 5 seconds if failed.
                setTimeout(function () {
                     calcDistance(key);
                }, 5000);
            }
          });
                
        }
    }
    
    //=-=-=-
    
    output_hospitals();
    function output_hospitals() {
      $.getJSON(yql,function(data) {
        if(data.query.count > 0) {

          // Run through hospitals and set html
          hospitals = [];
          $.each( data.query.results.item,...