Questions:

Distance from PEK Airport exit to catch subway or transit to center city and cost?

Answers:

There are English signs available at the airport and subway stations.

Upon your arrival at PEK Capital International Airport, you can take the Airport Express at T2 or T3 to get to Dongzhimen station (the distance is around 28 km). The fare is CNY 25 per person. At Dongzhimen, transfer to Subway Line 2 or Line 13 which can take you to the main attractions at Beijing downtown.