How many kilometers is it from Nanyang to Shiyan?

The whole journey is 256 kilometers, 2 hours and 29 minutes, 1. From the starting point, drive 4.6 kilometers in Nanyang City, cross the Baihe Bridge for about 350 meters, and then enter the detailed section of the southern section of Dushan Avenue. 1. From the starting point, drive east along Zhongzhou Middle Road for 0.7 km. After passing Meixi Hotel for about 250m, enter Zhongzhou East Road 1.2, drive along Zhongzhou East Road 1.2 km, pass a tofu private kitchen in Five Blessingg for about 250m, turn right 1.3, drive for 205m, turn left into Binhe Middle Road 1.4, and follow Binhe Middle Road. After crossing the Baihe Bridge for about 350 meters, enter the south section of Dushan Avenue, go straight for 8.6 kilometers along the south section of Dushan Avenue, turn left and take the ramp (via Nanyang Nanzhaizhuang Toll Station), head for Xinyang/Shanghai, enter the 2. 1 detailed section of Hushan Expressway, drive 7.5 kilometers along the south section of Dushan Avenue, pass Zhaizhuang for about 50 meters, and enter S/kloc-. Turn left on the ramp (via Nanyang Nanzhaizhuang Toll Station), head for Xinyang/Shanghai, enter No.3 Hushan Expressway, drive along Hushan Expressway 1.4 km, leave Lankao/Dengzhou Exit, head for Dengzhou/Xiangfan, enter No.4 Deng Nan Expressway, drive along Deng Nan Expressway for 96 km, and leave at Shiyan Exit to enter Han Shi Expressway 4. 1. Enter Fan Wei Expressway 4.2, drive along Fan Wei Expressway for 29.3km (via the toll station on the border of Henan and Hubei provinces (Dengzhou)), leave from Shiyan exit, enter Han Shi Expressway 5, drive along Han Shi Expressway 133.2km, leave from Shiyan East Exit (via Shiyan East Toll Station), turn right into G3 16/ East Ring Road 6, and follow G3/. Enter Beijing North Road 7, drive 2. 1km into Shiyan City, reach the destination section 7. 1km, drive along Beijing North Road 1km, exit around the island 1km, drive 0.7km along Jiangsu Road 7.2, drive 200 meters after passing through Gemini, turn right 7.3 and drive 233mm m.