Task 1: How will Captain Kwark sail to Ennud?

Do you see the dot at the harbor of 'Lapje Loem'?
That's the boat of Captain Kwark.
You have to sail the boat to Ennud.
But watch out, every time you make a new direction, it will cost you 10 liters of fuel extra!
Choose a direction of the boat by clicking on the compass rose.
Choose the number of miles.
The choose Go.

Question 1

How many miles is the shortest route?

Question 2

How many liters of fuel are there left after the trip?