Note 085
From Chapter 2 of the Decline & Fall

The following Itinerary may serve to convey some idea of the direction of the road, and of the distance between the principal towns.

From the wall of Antoninus to York, 222 Roman miles

In all 4080 Roman, or 3740 English miles. See the Itineraries published by Wesseling, his annotations; Gale and Stukeley for Britain, and M. d'Anville for Gaul and Italy.