Sepang to Bangkok
1h 58m The flight from Kuala Lumpur International Airport (KUL) to Don Mueang International Airport (DMK) covers 1,248 km (775 miles) and takes approximately 1h 58m gate to gate for a typical jet.
The route heads north on an initial great-circle bearing of 354°, passing near 8.3° N, 101.2° E at its midpoint.
The route
The great-circle path — the shortest line between the two airports across the curve of the earth. On a flat map it looks bent; on a globe it is straight.
Flight time at different cruise speeds
Aircraft type, winds and routing all move the real number. This is the same distance flown at different speeds, plus the 25-minute ground and climb allowance.
| Typical of | Cruise speed | Airborne | Gate to gate |
|---|---|---|---|
| Turboprop / regional | 550 km/h | 2h 16m | 2h 41m |
| Narrowbody jet (A320, 737) | 780 km/h | 1h 36m | 2h 01m |
| Widebody jet (777, 787, A350) | 900 km/h | 1h 23m | 1h 48m |
| Private jet (Gulfstream) | 850 km/h | 1h 28m | 1h 53m |
Headwinds on an eastbound long-haul routinely add 30–60 minutes; the same route westbound can be quicker. Airlines publish schedules with padding built in.
Both airports
| KUL | DMK | |
|---|---|---|
| Airport | Kuala Lumpur International Airport | Don Mueang International Airport |
| City | Sepang | Bangkok |
| Country | Malaysia | Thailand |
| ICAO | WMKK | VTBD |
| Coordinates | 2.7456, 101.71 | 13.9126, 100.607 |
| Elevation | 69 ft | 9 ft |
Questions
How long is the flight from Sepang to Bangkok?
A non-stop flight from Sepang (KUL) to Bangkok (DMK) takes about 1h 58m. The great-circle distance is 1,248 km (775 miles, 674 nautical miles), flying north on an initial bearing of 354°.
How far is Sepang from Bangkok?
1,248 kilometres in a straight line over the earth's surface — 775 miles or 674 nautical miles. Actual flown distance is usually 2–5% longer because aircraft follow airways, avoid weather and route around restricted airspace.
Is there a non-stop flight between KUL and DMK?
This page calculates the direct-line time and distance; it does not track airline schedules. At 1,248 km the route is comfortably within range of a non-stop service if an airline chooses to fly it. Check an airline or booking site for what is actually scheduled.
Airport coordinates from OurAirports (public domain). Distance is a great-circle calculation; flight time uses the model described on the method page. Flight times are great-circle estimates for planning only — always check the airline's published schedule.