Formal:
* Pambansa ang saklaw - This literally translates to "national in scope."
* May saklaw sa buong bansa - This means "with scope throughout the whole country."
Informal:
* Pambansa - This simply means "national" and can be understood as encompassing the whole country.
* Para sa buong bansa - This translates to "for the whole country."
The best translation will depend on the specific context and the level of formality required.