The meridian 3° east of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, the Atlantic Ocean, Europe, Africa, the Southern Ocean, and Antarctica to the South Pole.
The 3rd meridian east forms a great circle with the 177th meridian west.
Starting at the North Pole and heading south to the South Pole, the 3rd meridian east passes through:
| Co-ordinates | Country, territory or sea | Notes |
|---|---|---|
| Arctic Ocean | ||
| Atlantic Ocean | ||
| North Sea | ||
| Passing just west of Lille (at) and through Narbonne (at) | ||
| Mediterranean Sea | ||
| Island of Majorca | ||
| Mediterranean Sea | Passing just east of the island of Cabrera, | |
| Passing just west of Algiers | ||
| Atlantic Ocean | Passing just west of Bouvet Island, | |
| Southern Ocean | ||
| Antarctica | Queen Maud Land, claimed by | |