actually calculate distance instead of using .distance which is a timing value

src/extractor/guidance/sliproad_handler.cpp

@@ -162,8 +162,12 @@ operator()(const NodeID, const EdgeID source_edge_id, Intersection intersection)
         return intersection;
 
     // Threshold check, if the intersection is too far away, don't bother continuing
-    const auto &next_road_data = node_based_graph.GetEdgeData(next_road.turn.eid);
-    if (next_road_data.distance > MAX_SLIPROAD_THRESHOLD)
+    const auto coordinate_extractor = intersection_generator.GetCoordinateExtractor();
+    const auto next_road_length = util::coordinate_calculation::getLength(
+        coordinate_extractor.GetForwardCoordinatesAlongRoad(
+            node_based_graph.GetTarget(source_edge_id), next_road.turn.eid),
+        &util::coordinate_calculation::haversineDistance);
+    if (next_road_length > MAX_SLIPROAD_THRESHOLD)
     {
         return intersection;
     }