taxi fare from guangzhou airport to west panfu area

At least you have to pay about 250RMB excluding the toll and other expense on the road.
It is suggested to take the aiport shuttle bus line 7A to reach Panyu Hotel and then take a taxi to the west Panyu area. The shuttle bus fare is around 33RMB.
Or you can take the local subway line 3 to reach its terminal at Panyu Square and then take a taxi to reach west Panyu area.