How long will it take me to complete the program? Brad Greenwood2017-10-05T16:00:13-05:00August 2, 2016| The length of time to complete a program at Marian is dependent on the number of credits offered in the program and number of credits transferred. Graduate programs can vary from 18 months to 2 1/2 years. Share This Story FacebookXRedditLinkedInWhatsAppTumblrPinterestVkXingEmail