Strabo Geography 6.3.10

[10] Now the above distances are put down in accordance with the data of Artemidorus; ¹ but according to the Chorographer, ² the distances from Brentesium as far as Garganum ³ amount to one hundred and sixty-five miles, whereas according to Artemidorus they amount to more; and thence to Ancona two hundred and fifty-four miles according to the former, whereas according to Artemidorus the distance to the Aesis River, which is near Ancona , is one thousand two hundred and fifty stadia, a much shorter distance. Polybius states that the distance from Iapygia has been marked out by miles, and that the distance to the city of Sena ⁴ is five hundred and sixty-two miles, and thence to Aquileia one hundred and seventy-eight. And they do not agree with the commonly accepted distance along the Illyrian coastline, from the Ceraunian Mountains to the recess of the Adrias , ⁵ since they represent this latter coasting voyage as over six thousand stadia, ⁶ thus making it even longer than the former, although it is much shorter. However, every writer does not agree with every other, particularly about the distances, as I often say. ⁷ As for myself, where it is possible to reach a decision, I set forth my opinion, but where it is not, I think that I should make known the opinions of others. And when I have no opinion of theirs, there is no occasion for surprise if I too have passed something by, especially when one considers the character of my subject; for I would not pass by anything important, while as for little things, not only do they profit one but slightly if known, but their omission escapes unnoticed, and detracts not at all, or else not much, from the completeness of the work. ⁸