Does 30 degrees West pass through Greenland and the Atlantic Ocean?

No, 30 degrees West does not pass through Greenland and the Atlantic Ocean.

The 30th meridian west of the Prime Meridian passes through the following countries and territories:

* Greenland (autonomous territory of Denmark)

* Canada (Newfoundland and Labrador)

* Bermuda (British overseas territory)

* Puerto Rico (United States territory)

* Dominican Republic

* Haiti

* Turks and Caicos Islands (British overseas territory)

* Jamaica

* Cuba

* Cayman Islands (British overseas territory)

* The Bahamas

* United States (Florida)