Indonesia has very poorly developed land infrastructure outside of Jakarta. If you look at google maps, going from one side of Java to another takes 17.4hours f

Indonesia has very poorly developed land infrastructure outside of Jakarta. If you look at google maps, going from one side of Java to another takes 17.4hours for 1100km, note that this is the most developed island, if you do Medan to Palembang it's 32h for 1400km.