diff --git a/netbox/dcim/models/cables.py b/netbox/dcim/models/cables.py
index 6a530bb49..898e73b4c 100644
--- a/netbox/dcim/models/cables.py
+++ b/netbox/dcim/models/cables.py
@@ -480,13 +480,17 @@ class CablePath(models.Model):
 
     def get_total_length(self):
         """
-        Return the sum of the length of each cable in the path.
+        Return a tuple containing the sum of the length of each cable in the path
+        and a flag indicating whether the length is definitive.
         """
         cable_ids = [
             # Starting from the first element, every third element in the path should be a Cable
             decompile_path_node(self.path[i])[1] for i in range(0, len(self.path), 3)
         ]
-        return Cable.objects.filter(id__in=cable_ids).aggregate(total=Sum('_abs_length'))['total']
+        cables = Cable.objects.filter(id__in=cable_ids, _abs_length__isnull=False)
+        total_length = cables.aggregate(total=Sum('_abs_length'))['total']
+        is_definitive = len(cables) == len(cable_ids)
+        return (total_length, is_definitive)
 
     def get_split_nodes(self):
         """
diff --git a/netbox/dcim/views.py b/netbox/dcim/views.py
index b092be612..faec98cb7 100644
--- a/netbox/dcim/views.py
+++ b/netbox/dcim/views.py
@@ -2134,10 +2134,14 @@ class PathTraceView(generic.ObjectView):
             else:
                 path = related_paths.first()
 
+        # Get the total length of the cable and whether the length is definitive (fully defined)
+        total_length, is_definitive = path.get_total_length if path else (None, False)
+
         return {
             'path': path,
             'related_paths': related_paths,
-            'total_length': path.get_total_length() if path else None,
+            'total_length': total_length,
+            'is_definitive': is_definitive
         }
 
 
diff --git a/netbox/templates/dcim/cable_trace.html b/netbox/templates/dcim/cable_trace.html
index a39ada1ce..060fe2076 100644
--- a/netbox/templates/dcim/cable_trace.html
+++ b/netbox/templates/dcim/cable_trace.html
@@ -69,7 +69,7 @@
                                     <h5>Total segments: {{ traced_path|length }}</h5>
                                     <h5>Total length:
                                         {% if total_length %}
-                                            {{ total_length|floatformat:"-2" }} Meters /
+                                            {% if not is_definitive %}&gt;{% endif %}{{ total_length|floatformat:"-2" }} Meters /
                                             {{ total_length|meters_to_feet|floatformat:"-2" }} Feet
                                         {% else %}
                                             <span class="text-muted">N/A</span>