The calculated distance (air line) between Dimitrovgrad and Smyshlyayevka is approximately 74 miles respectively 120 kilometers.
By car or train, the actual journey to Smyshlyayevka is certainly longer, as only the direct route (as the crow flies) between Dimitrovgrad and Smyshlyayevka has been calculated here.
Air line (approximately)
120 kilometers
65 nautical miles