Douba is located in China (Longnan Shi, Gansu) and time zone Asia/Shanghai.
Places nearby are Nianba, Anmenkou and Huangping.
Chengdu is 306 km away, Tianjin is 1,139 km away and Beijing is 1,140 km away as the crow flies.
Distances from Douba to the most important cities in China and the world.
33.2571100°
105.4681200°
Major International airport in Dubai, United Arab Emirates
https://en.wikipedia.org/wiki/Dubai_International_Airport