National Highway 4 is an important west-east flowing highway of central Burma. It connects the town of Meiktila

Meiktila

Meiktila is a city in central Myanmar, located on the banks of Lake Meiktila in Mandalay Division, at the junctions of the Bagan-Taunggyi, Yangon-Mandalay and Meiktila-Myingyan highways. Because of its strategic position, Meiktila is home to Myanmar Air Force's central command and Meiktila Air...

 in the Mandalay Division

Mandalay Division

Mandalay Region is an administrative division of Myanmar. It is located in the center of the country, bordering Sagaing Region and Magway Region to the west, Shan State to the east, and Bago Region and Kayin State to the south. The regional capital is Mandalay. In the south of the division lies...

 to Tachileik

Tachileik

Tachileik , is a border town in the Shan State of eastern Burma . It is the administrative seat of Tachileik Township and Tachileik District.-History:...

 in Shan State

Shan State

Shan State is a state of Burma . Shan State borders China to the north, Laos to the east, and Thailand to the south, and five administrative divisions of Burma in the west. Largest of the 14 administrative divisions by land area, Shan State covers 155,800 km², almost a quarter of the total...

 in the east on the border with Thailand

Thailand

Thailand , officially the Kingdom of Thailand , formerly known as Siam , is a country located at the centre of the Indochina peninsula and Southeast Asia. It is bordered to the north by Burma and Laos, to the east by Laos and Cambodia, to the south by the Gulf of Thailand and Malaysia, and to the...

. The highway begins near Meiktila at 20°52′22"N 95°52′59"E where it is linked by the National Highway 1

National Highway 1 (Burma)

National Highway 1 , literally "The Road to Mandalay ") is an important south-north flowing highway of central Burma and the busiest road in the country...

  coming from the south and at Hopong

Hopong

Hopong is a town in the Shan State of eastern Burma. It is located in Hopong Township in Taunggyi District.-External links:*...

 it meets the National Highway 5

National Highway 5 (Burma)

National Highway 5 is a highway of southern-central Burma. It connects Taungoo to Hopong, east of Taunggyi.The highway is fed by the National Highway 1 at Taungoo at . It initially goes in the northeast-east direction and then southeast until just south of the town of Hpasawng when the highway...

which goes south at 20°48′2"N 97°10′25"E.

The highway ends at Tachileik at 20°26′40"N 99°52′50"E.