diff --git a/homeassistant/components/ecowitt/sensor.py b/homeassistant/components/ecowitt/sensor.py
index 296490511cbe..284677e13967 100644
--- a/homeassistant/components/ecowitt/sensor.py
+++ b/homeassistant/components/ecowitt/sensor.py
@@ -213,11 +213,13 @@ ECOWITT_SENSORS_MAPPING: Final = {
     ),
     EcoWittSensorTypes.LIGHTNING_DISTANCE_KM: SensorEntityDescription(
         key="LIGHTNING_DISTANCE_KM",
+        device_class=SensorDeviceClass.DISTANCE,
         native_unit_of_measurement=UnitOfLength.KILOMETERS,
         state_class=SensorStateClass.MEASUREMENT,
     ),
     EcoWittSensorTypes.LIGHTNING_DISTANCE_MILES: SensorEntityDescription(
         key="LIGHTNING_DISTANCE_MILES",
+        device_class=SensorDeviceClass.DISTANCE,
         native_unit_of_measurement=UnitOfLength.MILES,
         state_class=SensorStateClass.MEASUREMENT,
     ),