The calculated distance (air line) between Tamuín and Álvaro Obregón is approximately 185 miles respectively 298 kilometers.
By car or train, the actual journey to Álvaro Obregón is certainly longer, as only the direct route (as the crow flies) between Tamuín and Álvaro Obregón has been calculated here.
Air line (approximately)
298 kilometers
161 nautical miles