A path from Seattle

Fin Moorhouse

Here’s a puzzle:

Imagine you begin a journey in Seattle WA, facing exactly due east. Then start traveling forward, in a straight line along the Earth’s surface.

You will travel across North America, and onto the Atlantic Ocean. Eventually, you will hit another country.

The question is: what is the first country you hit?

The image below shows your starting point, and the white arrow shows your starting direction (not path) immediately after leaving Seattle.