1. How long/how far from City Inn Happy Valley to Beijing airport

1. The distance between these two places is about 19 miles. The travel time depends on your transportation.
2. There are two suggested ways. One is take airport shuttle bus line 3 to International Hotel first. Then take a taxi to the hotel. The whole way takes 1.5 to 2 hours.
The other one is to take a taxi at the airport directly. If so, it takes around 40 to 50 mins in usual time.
3. You can join TravelChinaGuide's Beijing One-Day Tour. They have many responsible English speaking guides. And it's very convenient for you. The contact information is traveltravelchinaguide.com.