Distance between Ubon Ratchathani and Phayao is 705.16 km.
This distance is equal to 438.17 miles, and 380.5 nautical miles.
The distance line on map shows distance from Ubon Ratchathani to Phayao between two cities.
If you travel with an airplane (which has average speed of 560 miles) between Ubon Ratchathani to Phayao,
It takes 0.78 hours to arrive.