diff --git a/index.html b/index.html
index 9fa9dbc7..c5c0e87d 100644
--- a/index.html
+++ b/index.html
@@ -5149,6 +5149,8 @@
               <option value="km">Kilometer (km)</option>
               <option value="lg">League (lg)</option>
               <option value="vr">Versta (vr)</option>
+              <option value="nmi">Nautical mile (nmi)</option>
+              <option value="nlg">Nautical league (nlg)</option>
               <option value="custom_name">Custom name</option>
             </select>
           </div>
@@ -8057,7 +8059,7 @@
     <script defer src="modules/ui/style.js?v=1.96.00"></script>
     <script defer src="modules/ui/editors.js?v=1.97.00"></script>
     <script defer src="modules/ui/tools.js?v=1.96.03"></script>
-    <script defer src="modules/ui/world-configurator.js?v=1.91.05"></script>
+    <script defer src="modules/ui/world-configurator.js?v=1.98.00"></script>
     <script defer src="modules/ui/heightmap-editor.js?v=1.96.00"></script>
     <script defer src="modules/ui/provinces-editor.js?v=1.96.00"></script>
     <script defer src="modules/ui/biomes-editor.js?v=1.91.05"></script>
diff --git a/modules/ui/world-configurator.js b/modules/ui/world-configurator.js
index c47beaca..0f25057e 100644
--- a/modules/ui/world-configurator.js
+++ b/modules/ui/world-configurator.js
@@ -113,9 +113,11 @@ function editWorld() {
 
     function toKilometer(v) {
       if (unit === "km") return v;
-      else if (unit === "mi") return v * 1.60934;
-      else if (unit === "lg") return v * 5.556;
-      else if (unit === "vr") return v * 1.0668;
+      if (unit === "mi") return v * 1.60934;
+      if (unit === "lg") return v * 4.828;
+      if (unit === "vr") return v * 1.0668;
+      if (unit === "nmi") return v * 1.852;
+      if (unit === "nlg") return v * 5.556;
       return 0; // 0 if distanceUnitInput is a custom unit
     }
 
diff --git a/versioning.js b/versioning.js
index 1574e729..5f3d0848 100644
--- a/versioning.js
+++ b/versioning.js
@@ -1,7 +1,7 @@
 "use strict";
 
 // version and caching control
-const version = "1.97.04"; // generator version, update each time
+const version = "1.97.05"; // generator version, update each time
 
 {
   document.title += " v" + version;