The calculated distance (air line) between Coronel Marcelino Maridueña and Portoviejo is approximately 107 miles respectively 171 kilometers.
By car or train, the actual journey to Portoviejo is certainly longer, as only the direct route (as the crow flies) between Coronel Marcelino Maridueña and Portoviejo has been calculated here.
Air line (approximately)
171 kilometers
93 nautical miles