请大家帮我看一下下面这个美西行程是否合理？

计划4月底，5月初出发。 Los Angeles 租/还 车. 感谢哟！

Day 1, Shanghai -> Los Angeles
2, Los Angeles
3, Los -> Death valley -> Las Vegas
4, Las Vegas,
5, Las Vegas -> Grand canyon
6, Grand canyon - >Page
7, Page -> Zion
8, Zion -> Bryce canyon
9, Bryce canyon -> Capitol Reef
10, Capitol Reef - > Salt lake city
11, Salt lake city -> Grand teton
12 Grand teton-> Yellow Stone
13, Yellow Stone
14, Yellow Stone->Twin Falls
15, Twin Falls -> Reno
16, Reno-> Yosemite
17, Yosemite
18, Yosemite-> San Fran
19, San Fran
20, San Fran -> Big Sur
21, Big Sur-> Los Angeles
22, Los Angeles-> Shanghai