long-haul
US /ˈlɔːŋ.hɔːl/
UK /ˈlɔːŋ.hɔːl/

1.
traveling a long distance
:
•
She's preparing for a long-haul flight to Australia.
•
The company specializes in long-haul trucking.
2.
involving or valid for a long period of time
:
•
We need a long-haul strategy for sustainable growth.
•
Investing in education is a long-haul commitment.