How far is Shenzhen from Guangzhou? How is the cost of by train and Bus and how long it takes?

The distance between is around 150 to 160km.
By bus, it takes about an hour and a half to two hours and the ticket price is around 70 to 80RMB.
The G-trains take around forty minutes and the ticket price is around 75 for second class seat and 100RMB for the first class seat.
The D-trains take about an hour and twenty minutes. The ticket price is 80RMB for the second class seat and 100RMB for the first class seat.