It can take as few as 12 months to earn a diploma in practical nursing, as opposed to approximately 2-3 years to earn an associate or bachelor's degree in nursing (ADN/ASN or BSN). Learn more about how to become an LPNExplore Now Other Questions Are there clinicals in the Herzing University LPN to BSN program? Is the Herzing RN to BSN program accredited? How much does a physical therapist assistant make in Florida? Is it hard to learn computer networking?