The calculated distance (air line) between Chapayevsk and Smyshlyayevka is approximately 34 miles respectively 54 kilometers.
By car or train, the actual journey to Smyshlyayevka is certainly longer, as only the direct route (as the crow flies) between Chapayevsk and Smyshlyayevka has been calculated here.
Air line (approximately)
54 kilometers
29 nautical miles