FUEL

The quickest way is not to make durty cross on the map. Make races, if you find a radartruck, go on him, it will point places on the map. There is three trucks on each sectors. One is for vista, the others will helps you too for the skin


The quickest way to get the achievement :
Create a custom race with only a start and finish. THe finish should be near the point you have to go.
Once it's create test your race. Then choose freeride and go visit your vista or get a new deleveries etc...