469 meters. Changchun International Convention and Exhibition Center Hotel is a typical conference hotel that integrates accommodation, catering, conference, entertainment, bathing, fitness, shopping and business, and is built and managed according to international standards. The hotel has different styles of rooms, of which 13 and 19 are business non-smoking floors. Each room in the hotel is elegantly designed and comfortable, with luxurious and complete facilities. Dream Mansion is located in the Second Ring Road of Changchun City, opposite to the Convention and Exhibition Center, next to the Convention and Exhibition Center of Light Rail Line 3, belonging to the Middle East market business circle. The distance between the two places is 469 meters. Gaode system estimates that it takes 4 minutes to drive and 7 minutes to walk.