diff --git a/homeassistant/components/google_travel_time/config_flow.py b/homeassistant/components/google_travel_time/config_flow.py
index ec8187d91af1c7..73a4bf87b7edee 100644
--- a/homeassistant/components/google_travel_time/config_flow.py
+++ b/homeassistant/components/google_travel_time/config_flow.py
@@ -192,6 +192,8 @@ async def async_step_user(self, user_input=None) -> FlowResult:
                 )
             except InvalidApiKeyException:
                 errors["base"] = "invalid_auth"
+            except TimeoutError:
+                errors["base"] = "timeout_connect"
             except UnknownException:
                 errors["base"] = "cannot_connect"
 
diff --git a/homeassistant/components/google_travel_time/helpers.py b/homeassistant/components/google_travel_time/helpers.py
index 12394a2320952c..9c25d02b8a519f 100644
--- a/homeassistant/components/google_travel_time/helpers.py
+++ b/homeassistant/components/google_travel_time/helpers.py
@@ -35,7 +35,7 @@ def validate_config_entry(
         raise UnknownException() from transport_error
     except Timeout as timeout_error:
         _LOGGER.error("Timeout error")
-        raise UnknownException() from timeout_error
+        raise TimeoutError() from timeout_error
 
 
 class InvalidApiKeyException(Exception):
diff --git a/homeassistant/components/google_travel_time/strings.json b/homeassistant/components/google_travel_time/strings.json
index e3a13a3d2e35ba..3cfcd3cedb3fdf 100644
--- a/homeassistant/components/google_travel_time/strings.json
+++ b/homeassistant/components/google_travel_time/strings.json
@@ -14,7 +14,8 @@
     },
     "error": {
       "invalid_auth": "[%key:common::config_flow::error::invalid_auth%]",
-      "cannot_connect": "[%key:common::config_flow::error::cannot_connect%]"
+      "cannot_connect": "[%key:common::config_flow::error::cannot_connect%]",
+      "timeout_connect": "[%key:common::config_flow::error::timeout_connect%]"
     },
     "abort": {
       "already_configured": "[%key:common::config_flow::abort::already_configured_location%]"
diff --git a/tests/components/google_travel_time/test_config_flow.py b/tests/components/google_travel_time/test_config_flow.py
index 9e575389e72d7b..b701fcb2143e55 100644
--- a/tests/components/google_travel_time/test_config_flow.py
+++ b/tests/components/google_travel_time/test_config_flow.py
@@ -115,7 +115,7 @@ async def test_timeout(hass: HomeAssistant) -> None:
     )
 
     assert result2["type"] == data_entry_flow.FlowResultType.FORM
-    assert result2["errors"] == {"base": "cannot_connect"}
+    assert result2["errors"] == {"base": "timeout_connect"}
 
 
 async def test_malformed_api_key(hass: HomeAssistant) -> None: