Imola, as regards Bologna, is five points from the West, towards the North West, at a distance of 20 miles.
Castel San Piero is seen from Imola at four points from the West towards the North West, at a distance of 7 miles.
Faenza stands with regard to Imola between East and South East at a distance of ten miles. Forli stands with regard to Faenza between South East and East at a distance of 20 miles from Imola and ten from Faenza.
Forlimpopoli lies in the same direction at 25 miles from Imola.
Bertinoro, as regards Imola, is five points from the East to wards the South East, at 27 miles.
Taken from The Notebooks of Leonardo da Vinci edited by Jean Paul Richter, 1880.