Your character is currently outside the mission complex, a bit to the east of the burned out bakery, with the wargs that chased you retreating from you.   You're near a series of abandoned buildings, comparatively poorly lit.  (although that wasn't an obstacle at all for the wargs, since they have darkvision 90ft at scent)<br/><br/>The only way you have of gaining altitude is by making a DC 25 climb check to climb up the side of the buildings.  Climbing requires both hands free and a move action, and each move action gets you 1/3 of the way up the building.  Breaking the boards over the windows of the buildings is a DC 13 strength check, with a -5 penalty while climbing.  By raising the DC of the climb check to 30, you can cover twice that distance.  Obviously, a levitate or spider climb spell will also enable you to get to the roofs of the nearby buildings.  You can also try and  force the doors of nearby buildings with a DC 18 strength check.  Squeezing in through a window requires a move action and a DC 5 escape artist check.<br/><br/>The upstairs window of the bakery is 5 move actions away, since its entrance doesn't actually face the mission, unless you want to force a door or window.  Forcing something with a strength check is a standard action.