Is it easy to get a cab from Tianjin rail station to ships port? How far and how much? thanks

There are about 45 kilometers between the railway station and the ship port, so the taxi fee will be expensive.
I advise you to take the light rail to get to the ship port. You can take a cab from the railway station to Shiyijing Road Station of the light rail and then change to the light rail to reach the Citizen Square. After that, you can take a cab to get to the port. It is convenient and cheap.