What is the appropriate way for Xiaohong's family to travel to Hainan, which is 2700 kilometers away from home? How long does it take to get there?

If you don't consider the cost of traveling to Hainan, it is the most suitable, convenient, fast and safe way to choose a plane, which will take you a few hours. If you consider the limited funds, you can choose the train. If you have a high-speed train, you should choose it, because it is faster and takes about ten hours.