Garoonka diyaaradaha ee ugu weyn, Garoonka Caalamiga ah ee Kuala Lumpur (KLIA) oo ku yaal Sepang, Selangor, oo sidoo kale ah xarunta duulista ee Malaysia, wuxuu ku yaalaa qiyaastii 50 kiiloomitir (31 mi) koonfurta magaalada. Garoonka kale waa Sultan Abdul Aziz Shah Airport, oo sidoo kale loo yaqaan Subang Skypark oo u adeegay albaabka ugu weyn ee caalamiga ah ee loo maro Kuala Lumpur laga bilaabo 1965 ilaa KLIA la furay 1998. KLIA waxay ku xirtaa magaalada duulimaadyo toos ah oo loo maro lix qaaradood oo adduunka oo dhan ah, waana xarunta ugu weyn ee shirkadda qaranka, Malaysia Airlines iyo shirkadda qiimaha jaban, AirAsia. KLIA waxaa lagu gaari karaa iyadoo la adeegsanayo KLIA Ekspres oo ah adeegga tareenka ee garoonka diyaaradaha ee KL Central, kaas oo qaata labaatan iyo shan daqiiqo iyo 55 Malaysian Ringgit (sidoo kale 13.50), halka ku safridda baska ama baska ee Malaysia ku yaal Sepang, oo sidoo kale ah xarunta duulimaadka diyaaradaha ee Malaysia.
Tareenka