4.8 miles there, about 5.2 back. On the way there: 2 miles of hellish 35-mph strip mall and interstate overpass, followed by a lovely tranquil 3 miles of trails onto campus. On the way back: a bit of trail, a bit of residential roads. I have two big downhills on the way there, one big uphill on the way back. And I'm riding a fixed gear.