DMK to UTH: Distance and Flight Time

How far is it from Bangkok to Udon Thani?

The great-circle distance between Don Mueang International Airport (DMK) and Udon Thani International Airport (UTH) is 451 km (280 mi, 244 nautical miles). That is the straight-line distance; a real flight is a little longer because of air-traffic routing.

How long is the flight from DMK to UTH?

A nonstop flight typically takes about 1h 5m. This is an estimate from the distance; actual block times depend on the aircraft, winds and the exact routing. UTH is roughly northeast of DMK.

How is the DMK to UTH route written in code?

The pair is written DMK-UTH in IATA codes and VTBD-VTUD in ICAO codes, the form used on a flight plan. Don Mueang International Airport is DMK (VTBD), Udon Thani International Airport is UTH (VTUD).

Both ICAO codes start with V, the prefix ICAO assigns to South and Southeast Asia, so this is a route inside one ICAO region. How ICAO prefixes are laid out.

UTH sits 570 ft (174 m) higher than DMK, which is a real difference in air density on takeoff.

Airlines flying DMK to UTH

2 airlines appear on this route in the open route dataset, 2 of them still listed as active. Each row gives the IATA code, the ICAO code and the radio callsign, which is what an air traffic controller hears:

Route and carrier data comes from the OpenFlights open dataset, regenerated here on 3 July 2026. It is a historical snapshot of scheduled connections, not a live schedule, and it includes codeshare listings, so some carriers shown may no longer operate the route or exist. How we build this · Data and sources.

Frequently asked questions

DMK airport code · UTH airport code · Busiest airports worldwide