1116 kilometers. According to the Baidu map, Tongguan service area is 1116 kilometers away from Huangjin Street. Tongguan service area belongs to Daiziying Town, Tongguan County, Weinan City, Shaanxi Province. The service area is located about 2.5 kilometers east of Qindong Toll Station of G31 Lianhuo Expressway, which can provide parking, refueling, water supply, catering and other services.