How many millimeters are between 30mm and 70mm?

Which events takes the longest period of time to occur? Minimum distance required between two tubewell? What is the distance and direction from one place to another called? What is bigger 460 ft or 429 ft and 8 in? What is the distance between Goteborg Sweden and Helsinborg Sweden? How many meters are equal to 70 feet? What is the driving distance between Palestine Texas and Dallas Texas? How many hours between 730 to 1150 and 1215 to 1700? How long is 120 minutes in an hour? What equals 104km? Does 18mm equal 180cm? What is the distance from Haiti to US? How many feet to yd? What is 66 inch to feet? What does 33m equal in centimeters? What does 700 miles at 40 cents per mile equals? What range of mountains is about 800 miles east moscowrussia? If you run 125 miles every month how many do you run in a month? How many hours are in February? How many days between 19 oct 1991 till 01 oct 2007?