* Intercontinental: Relating to or spanning multiple continents.
* Transcontinental: Crossing a continent.
* Subcontinental: Relating to a smaller region within a continent.
* Eurocontinental: Relating to Europe and its continental neighbors.
* Afrocontinental: Relating to Africa and its continental neighbors.
* Pancontinental: Affecting or involving all continents.
The specific prefix you choose depends on the context and the meaning you want to convey.