The meridian 39° east of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, Europe, Asia, Africa, the Indian Ocean, the Southern Ocean, and Antarctica to the South Pole.
The 39th meridian east forms a great circle with the 141st meridian west.
Starting at the North Pole and heading south to the South Pole, the 39th meridian east passes through:
| Co-ordinates | Country, territory or sea | Notes |
|---|---|---|
| Arctic Ocean | ||
| Barents Sea | ||
| Kola Peninsula | ||
| White Sea | ||
| Sea of Azov | Taganrog Bay | |
| Passing just east of Krasnodar (at) | ||
| Black Sea | ||
| Red Sea | ||
| Red Sea | ||
| Passing just east of Asmara | ||
| Zanzibar Channel | Between the Tanzania mainland, and the island of Zanzibar | |
| Indian Ocean | ||
| Southern Ocean | ||
| Antarctica | Queen Maud Land, claimed by | |