Added followTargetMaxDistance setting

src/api/java/baritone/api/Settings.java

@@ -1225,6 +1225,11 @@ public final class Settings {
      */
     public final Setting<Integer> followRadius = new Setting<>(3);
 
+    /**
+     * The maximum distance to the entity you're following
+     */
+    public final Setting<Integer> followTargetMaxDistance = new Setting<>(0);
+
     /**
      * Turn this on if your exploration filter is enormous, you don't want it to check if it's done,
      * and you are just fine with it just hanging on completion

src/main/java/baritone/process/FollowProcess.java

@@ -76,6 +76,10 @@ private boolean followable(Entity entity) {
         if (entity.equals(ctx.player())) {
             return false;
         }
+        int maxDist = Baritone.settings().followTargetMaxDistance.value;
+        if (maxDist != 0 && entity.distanceToSqr(ctx.player()) > maxDist * maxDist) {
+            return false;
+        }
         return ctx.entitiesStream().anyMatch(entity::equals);
     }