Are these sentences grammatical? Thank you.

1) We are leaving from Turin to Malpensa Airport at 6 am.
2) We are driving from Turin to ...
We are leaving from Turim for Malpensa Airport at ..
3) The train is going to take 2 hours.
The train journey/The journey by train is going to take 2 hours.

1. We are leaving from Turin at 6 am and will get into Milan's Malpensa airport at ____ am/pm.

2. We are driving from Turin to Rome tomorrow.

3. The train trip will take 2 hours.
(Journey by train = OK, too.)