How do I go from Haikuo airport to train station?

Hi;
I'm wish to take a train from HaiKuo to Sanya, how far is the Haikuo Airport to Haikuo Train Station?
How long will it take if I take a cab?
And how much is the cab fees?
What time it the last train from Haikuo to Sanya everyday?
Last of all, what time is the last train from Sanya to Haikuo?