diff --git a/application/controllers/Update.php b/application/controllers/Update.php
index d6cd88c3..59c914de 100644
--- a/application/controllers/Update.php
+++ b/application/controllers/Update.php
@@ -251,6 +251,11 @@ class Update extends CI_Controller {
 		$this->logbook_model->check_missing_continent();
 	}
 
+	public function update_distances() {
+		$this->load->model('logbook_model');
+		$this->logbook_model->update_distances();
+	}
+
 	public function check_missing_grid($all = false){
 	    $this->load->model('logbook_model');
         $this->logbook_model->check_missing_grid_id($all);
diff --git a/application/models/Logbook_model.php b/application/models/Logbook_model.php
index 177a5bd2..2cccffbf 100755
--- a/application/models/Logbook_model.php
+++ b/application/models/Logbook_model.php
@@ -3618,6 +3618,36 @@ class Logbook_model extends CI_Model {
         print("$count updated\n");
     }
 
+    public function update_distances(){
+        $this->db->select("COL_PRIMARY_KEY, COL_GRIDSQUARE, station_gridsquare");
+        $this->db->join('station_profile', 'station_profile.station_id = '.$this->config->item('table_name').'.station_id');
+        $this->db->where("COL_DISTANCE is NULL");
+        $this->db->where("COL_GRIDSQUARE is NOT NULL");
+        $this->db->where("COL_GRIDSQUARE != ''");
+        $this->db->trans_start();
+        $query = $this->db->get($this->config->item('table_name'));
+
+        $count = 0;
+        if ($query->num_rows() > 0){
+           print("Affected QSOs: ".$this->db->affected_rows()." <br />");
+           $this->load->library('Qra');
+           foreach ($query->result() as $row) {
+              $distance = $this->qra->distance($row->station_gridsquare, $row->COL_GRIDSQUARE, 'K');
+              $data = array(
+                 'COL_DISTANCE' => $distance,
+              );
+
+              $this->db->where(array('COL_PRIMARY_KEY' => $row->COL_PRIMARY_KEY));
+              $this->db->update($this->config->item('table_name'), $data);
+              $count++;
+           }
+           print("QSOs updated: ".$count);
+        } else {
+           print "No QSOs affected.";
+        }
+        $this->db->trans_complete();
+    }
+
     public function check_for_station_id() {
       $this->db->where('station_id =', NULL);
       $query = $this->db->get($this->config->item('table_name'));
diff --git a/application/views/update/index.php b/application/views/update/index.php
index 61380514..0d31deaa 100644
--- a/application/views/update/index.php
+++ b/application/views/update/index.php
@@ -3,44 +3,60 @@
 
 	<div class="card">
 		<div class="card-header">
-    		DXCC Lookup Data
-		 </div>
+			<ul style="font-size: 15px;" class="nav nav-tabs card-header-tabs pull-right"  id="myTab" role="tablist">
+				<li class="nav-item">
+					<a class="nav-link active" id="dxcc-tab" data-toggle="tab" href="#dxcc" role="tab" aria-controls="update" aria-selected="true">DXCC Lookup Data</a>
+				</li>
+
+				<li class="nav-item">
+					<a class="nav-link" id="distance-tab" data-toggle="tab" href="#distance" role="tab" aria-controls="update" aria-selected="false">Distance Data</a>
+				</li>
+			</ul>
+		</div>
 		<div class="card-body">
-			<p class="card-text">Here you can update the DXCC lookup data that is used for displaying callsign information.</p>
-			<p class="card-text">This data is provided by <a href="https://clublog.org/">Clublog</a>.</p>
-			
-			<?php if(!extension_loaded('xml')) { ?>
-				<div class="alert alert-danger" role="alert">
-				You must install php-xml for this to work.
+			<div class="tab-content" id="myTabContent">
+				<div class="tab-pane fade show active" id="dxcc" role="tabpanel" aria-labelledby="dxcc-tab">
+					<p class="card-text">Here you can update the DXCC lookup data that is used for displaying callsign information.</p>
+					<p class="card-text">This data is provided by <a href="https://clublog.org/">Clublog</a>.</p>
+
+					<?php if(!extension_loaded('xml')) { ?>
+						<div class="alert alert-danger" role="alert">
+						You must install php-xml for this to work.
+						</div>
+					<?php } else { ?>
+						<h5>Check for DXCC Data Updates</h5>
+						<input type="submit" class="btn btn-primary" id="btn_update_dxcc" value="Update DXCC Data" />
+
+						<div id="dxcc_update_status">Status:</br></div>
+
+						<br/>
+						<br/>
+						<h5>Apply DXCC Data to Logbook</h5>
+						<p class="card-text">
+							After updating, Cloudlog can fill in missing callsign information in the logbook using the newly-obtained DXCC data.
+							You can choose to check just the QSOs in the logbook that are missing DXCC metadata or to re-check the entire logbook
+							and update existing metadata as well, in case it has changed.
+						</p>
+						<p><a class="btn btn-primary" href="<?php echo site_url('update/check_missing_dxcc');?>">Check QSOs missing DXCC data</a></p>
+						<p><a class="btn btn-primary" href="<?php echo site_url('update/check_missing_dxcc/all');?>">Re-check all QSOs in logbook</a></p>
+
+						<h5>Apply Continent Data to Logbook</h5>
+						<p class="card-text">
+							This function can be used to update QSO continent information for all QSOs in Cloudlog missing that information.
+						</p>
+						<p><a class="btn btn-primary" href="<?php echo site_url('update/check_missing_continent');?>">Check QSOs missing continent data</a></p>
+						<style>
+							#dxcc_update_status{
+							display: None;
+							}
+						</style>
+					<?php } ?>
 				</div>
-			<?php } else { ?>
-				<h5>Check for DXCC Data Updates</h5>
-				<input type="submit" class="btn btn-primary" id="btn_update_dxcc" value="Update DXCC Data" />
-
-				<div id="dxcc_update_status">Status:</br></div>
-					
-				<br/>
-				<br/>
-				<h5>Apply DXCC Data to Logbook</h5>
-				<p class="card-text">
-					After updating, Cloudlog can fill in missing callsign information in the logbook using the newly-obtained DXCC data.
-					You can choose to check just the QSOs in the logbook that are missing DXCC metadata or to re-check the entire logbook
-					and update existing metadata as well, in case it has changed.
-				</p>
-				<p><a class="btn btn-primary" href="<?php echo site_url('update/check_missing_dxcc');?>">Check QSOs missing DXCC data</a></p>
-				<p><a class="btn btn-primary" href="<?php echo site_url('update/check_missing_dxcc/all');?>">Re-check all QSOs in logbook</a></p>
-
-				<h5>Apply Continent Data to Logbook</h5>
-				<p class="card-text">
-					This function can be used to update QSO continent information for all QSOs in Cloudlog missing that information.
-				</p>
-				<p><a class="btn btn-primary" href="<?php echo site_url('update/check_missing_continent');?>">Check QSOs missing continent data</a></p>
-				<style>
-					#dxcc_update_status{
-					display: None;
-					}
-				</style>
-			<?php } ?>
+				<div class="tab-pane fade" id="distance" role="tabpanel" aria-labelledby="distance-tab">
+					<p class="card-text">Here you can update QSOs with missing distance information.</p>
+					<p><a class="btn btn-primary" href="<?php echo site_url('update/update_distances');?>">Update distance data</a></p>
+				</div>
+			</div>
 		</div>
 	</div>
 </div>