449km (279 miles) NE of Bangkok; 190km (118 miles) N of Nakhon Ratchasima; 115km (71 miles) S of Udon Thani

For most travelers, Khon Kaen is just a stopover en route to Udon and Nong Khai. The town is along Route 2, connects by rail with Bangkok and Nong Khai, and has a large commercial airport.