500
The car drove out of ____ city and headed towards _____ South.
The plane took off, banked _____ left, then headed _____ South.
Key: The ship sailed out of the harbor and headed north.
If you look into the north on a clear night, you will see the North Star.
Rule 42: Do not use an article if a compass direction immediately follows an action verb like go, travel, turn, look, sail, fly, walk, or move.
Rule 41: Use the for compass directions if they follow prepositions like to, in, on, at or from.