Calculate route from Chiang Kham (Phayao, Thailand) to Udon Thani (Changwat Udon Thani, Thailand).
The flight distance (as the crow flies) between Chiang Kham and Udon Thani is 351.4 km.
Roadmap (route) to go from Chiang Kham to Udon Thani detailed above, you can also see the course layout on the map.
While doing trip Chiang Kham - Udon Thani by car, the calculated route ends at a distance , or more straight.