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diff --git a/vespajlib/src/main/java/com/yahoo/geo/DistanceParser.java b/vespajlib/src/main/java/com/yahoo/geo/DistanceParser.java
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+++ b/vespajlib/src/main/java/com/yahoo/geo/DistanceParser.java
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+// Copyright Verizon Media. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+
+package com.yahoo.geo;
+
+import com.google.common.annotations.Beta;
+
+/**
+ * Utility for parsing a geographical distance with unit.
+ **/
+@Beta
+public class DistanceParser {
+    // according to wikipedia:
+    // Earth's equatorial radius = 6378137 meter - not used
+    // meters per mile = 1609.344
+    // 180 degrees equals one half diameter equals PI*r
+    // Earth's polar radius = 6356752 meter
+
+    public final static double  m2deg =            180.0 / (Math.PI * 6356752.0);
+    public final static double km2deg = 1000.000 * 180.0 / (Math.PI * 6356752.0);
+    public final static double mi2deg = 1609.344 * 180.0 / (Math.PI * 6356752.0);
+
+    private final double degrees;
+
+    public double getDegrees() { return degrees; }
+
+    /**
+     * Parse a distance in some kind of units, converting to geographical degrees.
+     * Note that the number and the unit should be separated by a single space only,
+     * or not separated at all.
+     * Supported units are "m", "km", "miles", and "deg",
+     * the last one meaning degrees with no conversion.
+     * For brevity "mi" = "miles" and "d" = "deg".
+     **/
+    static public double parse(String distance) {
+        var parser = new DistanceParser(distance, false);
+        return parser.degrees;
+    }
+
+    DistanceParser(String distance, boolean assumeMicroDegrees) {
+        if (distance.endsWith(" km")) {
+            double km = Double.valueOf(distance.substring(0, distance.length()-3));
+            degrees = km * km2deg;
+        } else if (distance.endsWith(" m")) {
+            double meters = Double.valueOf(distance.substring(0, distance.length()-2));
+            degrees = meters * m2deg;
+        } else if (distance.endsWith(" miles")) {
+            double miles = Double.valueOf(distance.substring(0, distance.length()-6));
+            degrees = miles * mi2deg;
+        } else if (distance.endsWith(" mi")) {
+            double miles = Double.valueOf(distance.substring(0, distance.length()-3));
+            degrees = miles * mi2deg;
+        } else if (distance.endsWith(" deg")) {
+            degrees = Double.valueOf(distance.substring(0, distance.length()-4));
+        } else if (distance.endsWith(" d")) {
+            degrees = Double.valueOf(distance.substring(0, distance.length()-2));
+        } else if (distance.endsWith("km")) {
+            double km = Double.valueOf(distance.substring(0, distance.length()-2));
+            degrees = km * km2deg;
+        } else if (distance.endsWith("m")) {
+            double meters = Double.valueOf(distance.substring(0, distance.length()-1));
+            degrees = meters * m2deg;
+        } else if (distance.endsWith("miles")) {
+            double miles = Double.valueOf(distance.substring(0, distance.length()-5));
+            degrees = miles * mi2deg;
+        } else if (distance.endsWith("mi")) {
+            double miles = Double.valueOf(distance.substring(0, distance.length()-2));
+            degrees = miles * mi2deg;
+        } else if (distance.endsWith("deg")) {
+            degrees = Double.valueOf(distance.substring(0, distance.length()-3));
+        } else if (distance.endsWith("d")) {
+            degrees = Double.valueOf(distance.substring(0, distance.length()-1));
+        } else if (assumeMicroDegrees) {
+            degrees = Integer.parseInt(distance) * 0.000001;
+        } else {
+            throw new IllegalArgumentException("missing unit for distance: "+distance);
+        }
+    }
+
+}