First, it depends on where the object is being pushed/pulled/lifted.
Second, it depends how much the object weighs. (:
I hope this helps you!
(If it is a 100lb block, being pushed 0.5 of a mile, it would be less work vs 1 mile.)
(If it is a 10lb block, being pushed 0.5 of a mile, it would be easy. Same goes for 1 mile.)
Hopefully this makes sense. (:
