The meridian 79° east of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, Asia, the Indian Ocean, the Southern Ocean, and Antarctica to the South Pole.
The 79th meridian east forms a great circle with the 101st meridian west.
Starting at the North Pole and heading south to the South Pole, the 79th meridian east passes through:
| Co-ordinates | Country, territory or sea | Notes |
|---|---|---|
| Arctic Ocean | ||
| Kara Sea | Passing just west of Ushakov Island, Russia Passing just west of Uyedineniya Island, Russia |
|
| Russia | Nosok Island | |
| Kara Sea | ||
| Russia | Sibiryakov Island | |
| Kara Sea | Yenisei Gulf | |
| Russia | ||
| Kazakhstan | Passing through Lake Balkhash | |
| Kyrgyzstan | ||
| People's Republic of China | Xinjiang | |
| Aksai Chin | Disputed between India and People's Republic of China | |
| People's Republic of China | Tibet | |
| Aksai Chin | Disputed between India and People's Republic of China | |
| People's Republic of China | Tibet | |
| India | Jammu and Kashmir - claimed by Pakistan | |
| People's Republic of China | Tibet | |
| Aksai Chin | Disputed between India and People's Republic of China | |
| India | Uttarakhand Uttar Pradesh Madhya Pradesh Uttar Pradesh Madhya Pradesh Maharashtra Andhra Pradesh Tamil Nadu |
|
| Indian Ocean | Palk Strait | |
| India | Tamil Nadu | |
| Indian Ocean | ||
| Southern Ocean | ||
| Antarctica | Australian Antarctic Territory, claimed by Australia |
|
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