NorthEast
If you would like to go from Vietnam to Shanghai, I recommend using the site, Expedia.
north
southwest
West and slightly South.
West and slightly South.
west and slightly south
West and slightly South.
West and slightly South.
it would from south to east
i say about 4,000 miles.
From where? : )from Shanghai
Once upon a time ,shanghai was a part of sea .the local people go hunting on the sea. About AD1500,shanghai become a city. So shanghai is also said 上海in Chinese