Longshan north. K66 12 train goes north from Changsha Longshan at Changsha Station. One ***9 hours and 52 minutes, the whole journey: Guangzhou-Yueyang. K66 12 train is a train from Shenzhen to Yueyang, and the whole journey takes 13 hours 10 minutes. K66 12 get on at Longshan North K66 12 (air-conditioned express). Running time: 20:47-06:39, ***9 hours and 52 minutes. Direct: Arrival and departure mileage of Guangzhou-Yueyang Railway Station (km) 1. Starting point: 20: 470223: 0523:11221302: 41(the next day): 02:47.