At present Zhongshan has neither a railway station nor an airport, so the facilities of nearby cities are generally used by travelers. Most commonly, visitors choose to transfer at Shenzhen and Guangzhou to a bus going to Zhongshan. Within approximately 90 kilometers (about 56 miles) there are five international airports accessible to Zhongshan, these are in Guangzhou, Shenzhen, Zhuhai, Hong Kong and Macau. Visitors can use whichever of these is most convenient.