Journey to the West Research
2 months
Sun Wukong claims in ch. 24 that he can travel 108,000 li (十萬八千里; 33,554 mi/54,000 km) to and from the Western Heaven 50 times (i.e. a total of 10,800,000 li or 3,355,404.43 mi/5,400,000 km) before the sun sets. But his speed is extremely inconsistent throughout the novel.