From 1e4d10efe1188c3405b5c66f1def3e4b96cdc096 Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@koston.org>
Date: Mon, 8 Jan 2024 21:51:56 -1000
Subject: [PATCH] Add caching to the distance calculation utility (#107626)

---
 homeassistant/util/location.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/homeassistant/util/location.py b/homeassistant/util/location.py
index b2ef7330660..9e9c434822e 100644
--- a/homeassistant/util/location.py
+++ b/homeassistant/util/location.py
@@ -5,6 +5,7 @@ detect_location_info and elevation are mocked by default during tests.
 from __future__ import annotations
 
 import asyncio
+from functools import lru_cache
 import math
 from typing import Any, NamedTuple
 
@@ -57,6 +58,7 @@ async def async_detect_location_info(
     return LocationInfo(**data)
 
 
+@lru_cache
 def distance(
     lat1: float | None, lon1: float | None, lat2: float, lon2: float
 ) -> float | None: