The calculated distance (air line) between Krasnoarmeyskoye and Ulyanovsk is approximately 130 miles respectively 209 kilometers.
By car or train, the actual journey to Ulyanovsk is certainly longer, as only the direct route (as the crow flies) between Krasnoarmeyskoye and Ulyanovsk has been calculated here.
Air line (approximately)
209 kilometers
113 nautical miles