But there are three roads from Nanjing to Huai 'an:
1. car
You can choose to take a bus to Huai 'an at Nanjing Bus Terminal, Nanjing Getang Station, Nanjing South Passenger Transport Station and Nanjing North Station. It lasted 2~3.5 hours.
2. Train
You can't get there directly, but you can get there by transfer. The transfer stations are Hai 'an County, Taizhou, Yancheng, Yangzhou and Dongtai. It lasted 6~ 14 hours.
3. Aircraft
Need to transfer, the whole journey takes 6~ 14 hours, and the influence of air traffic control.
To sum up, the car is the most convenient and time-saving, and it is recommended to travel by car.