Marangu, Machame, Lemosho, Rongai, Umbwe, northern Circuit and Western Breach. Those are Route for climb Mount Kilimanjaro.
Marangu are in Easten side, Machame and Umbwe route are from the South of the Mountain Kilimanjaro, Lemosho and Northern Circuit are from the west of Mountain and Rongai route is from the North.
Mweka is used only for descent. Those who ascended on the Marangu or Rongai trails must descend by the Marangu Route.
Below provided table show all the route of Mountain Kilimanjaro which which shows the Kilimanjaro routes and how long to climb Kilimanjaro. You can choose the best according to your interest.