109th meridian east
The meridian 109° 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 109th meridian east forms a great circle with the 71st meridian west. From Pole to Pole
Starting at the North Pole and heading south to the South Pole, the 109th meridian east passes through:

{| class="wikitable plainrowheaders"
! scope="col" width="130" | Co-ordinates
! scope="col" | Country, territory or sea
! scope="col" | Notes
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! scope="row" style="background:#b0e0e6;" | Arctic Ocean
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|-valign="top"
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! scope="row" style="background:#b0e0e6;" | Laptev Sea
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! scope="row" | 
| Krasnoyarsk Krai — Taymyr Peninsula
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| style="background:#b0e0e6;" | 
! scope="row" style="background:#b0e0e6;" | Khatanga Gulf
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|-valign="top"
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! scope="row" | 
| Krasnoyarsk Krai Sakha Republic — from  Irkutsk Oblast — from  Republic of Buryatia — from  Irkutsk Oblast — from  Republic of Buryatia — from , passing through Lake Baikal Zabaykalsky Krai — from 
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! scope="row" | 
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! scope="row" | 
| Inner Mongolia Shaanxi – from  Inner Mongolia – from  Shaanxi – from , passing just east of Xi'an (at ) Chongqing – from  Hubei – from  Chongqing – from  Guizhou – from  Hunan – from  Guizhou – from  Guangxi – from  Guizhou – from  Guangxi – from 
|-valign="top"
| style="background:#b0e0e6;" | 
! scope="row" style="background:#b0e0e6;" | South China Sea
| style="background:#b0e0e6;" | Gulf of Tonkin – passing just west of Weizhou Island,  (at )
|-valign="top"
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! scope="row" | 
| Island of Hainan
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| style="background:#b0e0e6;" | 
! scope="row" style="background:#b0e0e6;" | South China Sea
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|-valign="top"
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! scope="row" | 
| Quảng Ngãi Bình Định – from  Phú Yên – from  Khánh Hòa – from  Ninh Thuận – from 
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| style="background:#b0e0e6;" | 
! scope="row" style="background:#b0e0e6;" | South China Sea
| style="background:#b0e0e6;" | Passing just east of the island of Cù Lao Thu,  (at )
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! scope="row" | 
| Island of Serasan
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! scope="row" style="background:#b0e0e6;" | South China Sea
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! scope="row" | 
| West Kalimantan, on the island of Borneo
|-valign="top"
| style="background:#b0e0e6;" | 
! scope="row" style="background:#b0e0e6;" | South China Sea
| style="background:#b0e0e6;" | Passing just east of the island of Karimata,  (at )
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! scope="row" style="background:#b0e0e6;" | Java Sea
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! scope="row" | 
| Islands of Java and Kambangan Island
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! scope="row" style="background:#b0e0e6;" | Indian Ocean
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! scope="row" style="background:#b0e0e6;" | Southern Ocean
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! scope="row" | Antarctica
| Australian Antarctic Territory, claimed by 
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|}

e109 meridian east