Distance between Quang Tri and Phayao is 790.74 km.
This distance is equal to 491.35 miles, and 426.68 nautical miles.
The distance line on map shows distance from Quang Tri to Phayao between two cities.
If you travel with an airplane (which has average speed of 560 miles) between Quang Tri to Phayao,
It takes 0.88 hours to arrive.