China National Highway 317 (G317) runs broadly west to east from Chengdu

Chengdu

Chengdu , formerly transliterated Chengtu, is the capital of Sichuan province in Southwest China. It holds sub-provincial administrative status...

, Sichuan

Sichuan

' , known formerly in the West by its postal map spellings of Szechwan or Szechuan is a province in Southwest China with its capital in Chengdu...

 to Naqu

Nagchu County

Nagqu County is a county within the Nagchu Prefecture of the Tibet Autonomous Region, western People's Republic of China...

, Tibet

Tibet

Tibet is a plateau region in Asia, north-east of the Himalayas. It is the traditional homeland of the Tibetan people as well as some other ethnic groups such as Monpas, Qiang, and Lhobas, and is now also inhabited by considerable numbers of Han and Hui people...

. It is 2,028 kilometres in length.

Route and distance

{| style="font-size:100%;"
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| style="width:33%; text-align:center;"| Route and distance
|- valign="top"
|
{| class="wikitable" style="margin-left:auto;margin-right:auto" |
!Place
!Location (km)
|-
|Chengdu, Sichuan

Sichuan

' , known formerly in the West by its postal map spellings of Szechwan or Szechuan is a province in Southwest China with its capital in Chengdu...

|0
|-
|Pi County, Sichuan
|20
|-
|Dujiangyan City, Sichuan
|54
|-
|Wenchuan County, Sichuan
|149
|-
|Li County

Li County, Sichuan

Li County is a county in Ngawa Tibetan and Qiang Autonomous Prefecture, Sichuan, China. China National Highway G317 and the Zagunao River run through the whole territory....

, Sichuan
|206
|-
|Barkam County

Barkam County

Barkam County is a county in Ngawa Tibetan and Qiang Autonomous Prefecture, in the northwest of Sichuan province, People's Republic of China. The county seat is the town of Barkam.-Administrative divisions:Barkam County has 3 towns and 11 townships:...

, Sichuan
|394
|-
|Zhaggo County, Sichuan
|661
|-
|Garzê County

Garzê County

Garzê County is one of the 18 subdivisions of the Garzê Tibetan Autonomous Prefecture, Sichuan province, China. The Yalong River passes just south of the town Garzê, also known as Ganzi, the capital town of the county, which has some 9,000 inhabitants , many of them ethnic Tibetans, and is famous...

, Sichuan
|756
|-
|Dêgê County, Sichuan
|960
|-
|Jomda County, Tibet

Tibet Autonomous Region

The Tibet Autonomous Region , Tibet or Xizang for short, also called the Xizang Autonomous Region is a province-level autonomous region of the People's Republic of China , created in 1965....

|1070
|-
|Qamdo County

Qamdo County

Qamdo County, also Chamdo County, Changdu County is a county in Tibet Autonomous Region, and the seat of government of Qamdo Prefecture. Qamdo county has an area of 10,700 km² and a population of 78,000, of which 90% are Tibetan. The average temperature is 7.6°C, with average temperatures of...

, Tibet
|1298
|-
|Riwoqê County

Riwoqê County

Riwoqê County, or Riwoche is a county of the Chamdo Prefecture in the Tibet Autonomous Region....

, Tibet
|1403
|-
|Dêngqên County

Dêngqên County

Dêngqên County, is a county of the Chamdo Prefecture in the Tibet Autonomous Region,-Transport:*China National Highway 317...

, Tibet
|1546
|-
|Baqên County

Baqên County

Baqên County is a county within the Nagchu Prefecture of the Tibet Autonomous Region. The seat of the county is Baqên Town....

, Tibet
|1782
|-
|Sog County

Sog County

Sog County is a county within the Nagchu Prefecture of the Tibet Autonomous Region....

, Tibet
|1812
|-
|Nagchu County

Nagchu County

Nagqu County is a county within the Nagchu Prefecture of the Tibet Autonomous Region, western People's Republic of China...

, Tibet
|2043
|}