You can create a Path of Travel line showing the shortest distance between 2 selected points in your building model.

Workflow
Create a Path of Travel Line
- Open a floor plan view.
- Open the Analyze > Route Analysis > Path of Travel tool.
- Click two points in your building model.
- The first point specifies the start of the path.
- The second point specifies the end of the path.
- A Path of Travel line will be displayed showing the shortest available distance between those points.

Tag the Path of Travel Line
- Load the Path of Travel Tag
- Open the Insert > Load Family tool.
- Then navigate to Annotations > Path of Travel Tag.rfa
- Open the Annotate > Tag by Category tool
- Click the Path of Travel line to add the tag that displays the path properties.
