diff --git a/backend/backend/idfm_interface/__init__.py b/backend/backend/idfm_interface/__init__.py
index 070099a..21afc48 100644
--- a/backend/backend/idfm_interface/__init__.py
+++ b/backend/backend/idfm_interface/__init__.py
@@ -2,6 +2,7 @@ from .idfm_interface import IdfmInterface
 
 from .idfm_types import (
     Coordinate,
+    Destinations,
     FramedVehicleJourney,
     IdfmLineState,
     IdfmOperator,
@@ -35,6 +36,7 @@ from .idfm_types import (
 
 __all__ = [
     "Coordinate",
+    "Destinations",
     "FramedVehicleJourney",
     "IdfmInterface",
     "IdfmLineState",
diff --git a/backend/backend/idfm_interface/idfm_interface.py b/backend/backend/idfm_interface/idfm_interface.py
index a717b07..c6cf33e 100644
--- a/backend/backend/idfm_interface/idfm_interface.py
+++ b/backend/backend/idfm_interface/idfm_interface.py
@@ -22,6 +22,7 @@ from ..db import Database
 from ..models import ConnectionArea, Line, LinePicto, Stop, StopArea, StopShape
 from .idfm_types import (
     ConnectionArea as IdfmConnectionArea,
+    Destinations as IdfmDestinations,
     IdfmLineState,
     IdfmResponse,
     Line as IdfmLine,
@@ -521,20 +522,40 @@ class IdfmInterface:
 
         return ret
 
-    async def get_destinations(self, stop_point_id: str) -> Iterable[str]:
-        # TODO: Store in database the destination for the given stop and line id.
+    async def get_destinations(self, stop_id: int) -> IdfmDestinations | None:
         begin_ts = time()
-        destinations: dict[str, str] = {}
-        if (res := await self.get_next_passages(stop_point_id)) is not None:
+
+        destinations: IdfmDestinations = defaultdict(set)
+
+        if (stop := await Stop.get_by_id(stop_id)) is not None:
+            expected_stop_ids = {stop.id}
+
+        elif (stop_area := await StopArea.get_by_id(stop_id)) is not None:
+            expected_stop_ids = {stop.id for stop in stop_area.stops}
+
+        else:
+            return None
+
+        if (res := await self.get_next_passages(stop_id)) is not None:
+
             for delivery in res.Siri.ServiceDelivery.StopMonitoringDelivery:
                 if delivery.Status == IdfmState.true:
                     for stop_visit in delivery.MonitoredStopVisit:
+
+                        monitoring_ref = stop_visit.MonitoringRef.value
+                        try:
+                            monitored_stop_id = int(monitoring_ref.split(":")[-2])
+                        except (IndexError, ValueError):
+                            print(f"Unable to get stop id from {monitoring_ref}")
+                            continue
+
                         journey = stop_visit.MonitoredVehicleJourney
-                        if (destination_name := journey.DestinationName) and (
-                            line_ref := journey.LineRef
-                        ):
-                            line_id = line_ref.value.replace("STIF:Line::", "")[:-1]
-                            print(f"{line_id = }")
-                            destinations[line_id] = destination_name[0].value
+                        if (
+                            dst_names := journey.DestinationName
+                        ) and monitored_stop_id in expected_stop_ids:
+
+                            line_id = journey.LineRef.value.split(":")[-2]
+                            destinations[line_id].add(dst_names[0].value)
+
         print(f"get_next_passages: {time() - begin_ts}")
         return destinations
diff --git a/backend/backend/idfm_interface/idfm_types.py b/backend/backend/idfm_interface/idfm_types.py
index efb2c71..e742171 100644
--- a/backend/backend/idfm_interface/idfm_types.py
+++ b/backend/backend/idfm_interface/idfm_types.py
@@ -197,6 +197,8 @@ class Line(Struct):
 
 Lines = dict[str, Line]
 
+Destinations = dict[str, set[str]]
+
 
 # TODO: Set structs frozen
 class StopLineAssoFields(Struct):