intercontinental
adj.adj. connecting or traveling between two or more continents. You use this to describe things like very long flights or large business deals.
adj. relating to or connecting two or more continents. Typically used attributively to describe travel, communication, or physical infrastructure spanning vast geographic distances.
The airline offers several intercontinental flights every day.
The new intercontinental trade agreement aims to reduce tariffs between European and South American markets.
The development of intercontinental ballistic missiles fundamentally altered the landscape of global diplomacy by making distance an insufficient defense against rapid military strikes.
From inter- + continental.
Typically placed before the noun it modifies.