The calculated distance (air line) between Dukhovnitskoye and Ulyanovsk is approximately 128 miles respectively 206 kilometers.
By car or train, the actual journey to Ulyanovsk is certainly longer, as only the direct route (as the crow flies) between Dukhovnitskoye and Ulyanovsk has been calculated here.
Air line (approximately)
206 kilometers
111 nautical miles