How far is the Holiday Inn Express Xian from the airport? Is easy to get to by taxi or shuttle bus?

Do you refer to the Holiday Inn Express High-Tech Zone?
If yes, the distance is about 23 miles (37 kilometers). You are suggested to take airport shuttle bus High Technology Industries Development Zone Line, get off at Ziction Liberal Hotel. The ticket fare is CNY 25 per person. It takes around an hour on the way. After arriving, take a taxi to the hotel directly. The cab fare is about CNY 20 in the day time.
In addition, the airport doesn't have direct hotel shuttle bus line nowadays.