diff --git a/src/main/java/ch/naviqore/app/controller/RoutingController.java b/src/main/java/ch/naviqore/app/controller/RoutingController.java
index 46b2fd04..4ba0573f 100644
--- a/src/main/java/ch/naviqore/app/controller/RoutingController.java
+++ b/src/main/java/ch/naviqore/app/controller/RoutingController.java
@@ -102,6 +102,7 @@ public List<Connection> getConnections(@RequestParam(required = false) String so
             } else if (targetStop != null) {
                 return map(service.getConnections(sourceCoordinate, targetStop, dateTime, map(timeType), config));
             } else {
+                RoutingRequestValidator.validateCoordinates(sourceCoordinate, targetCoordinate);
                 return map(service.getConnections(sourceCoordinate, targetCoordinate, dateTime, map(timeType), config));
             }
         } catch (ConnectionRoutingException e) {
diff --git a/src/main/java/ch/naviqore/app/controller/RoutingRequestValidator.java b/src/main/java/ch/naviqore/app/controller/RoutingRequestValidator.java
index d3dc520b..6ff2da2e 100644
--- a/src/main/java/ch/naviqore/app/controller/RoutingRequestValidator.java
+++ b/src/main/java/ch/naviqore/app/controller/RoutingRequestValidator.java
@@ -100,4 +100,11 @@ public static void validateStops(String sourceStopId, String targetStopId) {
         }
     }
 
+    public static void validateCoordinates(GeoCoordinate sourceCoordinate, GeoCoordinate targetCoordinate) {
+        if (sourceCoordinate.equals(targetCoordinate)) {
+            throw new ResponseStatusException(HttpStatus.BAD_REQUEST,
+                    "The source and target coordinates cannot be the same. Please provide different coordinates for the source and target.");
+        }
+    }
+
 }