Assyrians in Urartu 300 miles deep
Sources of the Tigris to the land of Daiani, in the basin
of the Chorokh River («horuh), through the Hurrian
Highlands to Upper Sea.
225 miles northwest of Van as the crow flies and 275
miles to travel at least.
Only 94 miles to Ararat from Van.
Note that he did not go to Lake Van, the Sea of Nairi.
The Assyrians may have deliberately avoided the central
part of the area, where they might have encountered
ArcImaging - The Search For Noah's Ark