Adisutjipto airport is one of the transportation infrastructures that can support the movement of people and goods quickly and efficiently in the province of Yogyakarta. Because of the airport needs to be considered. This improvement intended to intesify the level of service, comfort, and safety. The purpase of this study is to get the design of runway length using ICAO method, secondary data used are airport traffic movement data used are airport traffic movement data, layouts, elevation factor data, slope, and temperature. The result shows the amount of arrival of the planes has increased in the ammount of 16,9%. the number of passengers has increased to 17,3%, the ammount of cargo increased to 30,5%. The length of the runway according to calculations is 2766 meter for plain of B737-900ER in order to stay comfort and safe when take-off and landing.