Here is a close-up look:
Stations in question, Federal, 10th & Osage, Colfax at Auraria and Auraria West
Auraria West and Colfax at Auraria stations are only a few blocks apart
Well with in walking distance. Both these stations are located on the Auraria Campus.
So to transfer to the H D and F lines from Auraria West, would only require
a walk across campus of a few blocks to the Colfax at Auraria Station:
Here you can see the proximity between Auraria West and Colfax at Auraria Station,
as the maps above aren't to scale and make it look farther than it is: