Upper Marlboro - Niagara Falls distance
The straight distance between Upper Marlboro - Niagara Falls is mi. According to the route planner, the road driving distance for cars or buses is mi. (train routes are often totally different) and you can cover it in . However, road difficulties, such as car accidents, roadworks or traffic, may lengthen the journey. You should also check current schedules and ticket prices before traveling by train or BUS.