The calculated distance (air line) between Morón de la Frontera and Dos Hermanas is approximately 28 miles respectively 45 kilometers.
By car or train, the actual journey to Dos Hermanas is certainly longer, as only the direct route (as the crow flies) between Morón de la Frontera and Dos Hermanas has been calculated here.
Air line (approximately)
45 kilometers
24 nautical miles