A 1 month mission (This may be extended up to 2 months).  This is a favorite for university students. Here you are venturing out, but not  beyond your ability. You are stretching yourself. You will stay longer and experience more places and serve in more ways. It will be fairly familiar, much like an extension of the one week trip. Your language skills will likely make great strides the longer you are surrounded by native speakers.  You will discover more about the place of your life in the mission of God.