Part of the data ring
FlyTime
KUL → LAX

Sepang to Los Angeles

18h 01mgate to gate

The flight from Kuala Lumpur International Airport (KUL) to Los Angeles International Airport (LAX) covers 14,163 km (8,800 miles) and takes approximately 18h 01m gate to gate for a typical jet.

The route heads north-east on an initial great-circle bearing of 42°, passing near 43.1° N, 157.4° E at its midpoint.

Great-circle strip Plate KUL–LAX
18h 01mGATE TO GATE4h 30m13h 31mKULSepangLAXLos Angeles42° NORTH-EAST7,647 NM03,5417,08110,62214,163 km

Bearing 42° north-east Midpoint 43.1° N, 157.4° E Model 805 km/h + 25 min

SOURCE·OurAirports + great-circle computation·REVIEWED JUL 2026

Flight time18h 01mestimated, gate to gate
Distance14,163km · 8,800 mi
Nautical7,647nautical miles
Direction42°north-east

How this is worked out

  1. Take both airports' published coordinates from OurAirports — nothing here is scraped from another flight site.
  2. Great-circle distance by haversine on a mean earth radius of 6,371.0088 km: 14,163 km.
  3. Airborne time = that distance ÷ 805 km/h, a representative jet cruise speed: 17h 36m.
  4. Add a flat 25 minutes for pushback, taxi, climb, descent and taxi-in — the reason a 400 km hop is never half an hour: 18h 01m gate to gate.
  5. Winds, aircraft type and airline schedule padding are not modelled. The cruise-speed table shows how much that assumption is worth.
14,163 km / 805 km/h = 17h 36m airborne
            + 25 min ground = 18h 01m gate to gate

The full model, and what it ignores →

SOURCE·OurAirports + great-circle computation·REVIEWED JUL 2026

The same route, plotted on a world grid

The strip above gives the route its length and its shape. This gives it a position: latitude and longitude only, no coastlines, because a hand-drawn coastline would be decoration pretending to be data. On a flat grid the shortest path looks bent; on a globe it is straight.

KUL LAX

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 ofCruise speedAirborneGate to gate
Turboprop / regional550 km/h25h 45m26h 10m
Narrowbody jet (A320, 737)780 km/h18h 09m18h 35m
Widebody jet (777, 787, A350)900 km/h15h 44m16h 09m
Private jet (Gulfstream)850 km/h16h 40m17h 05m

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.

SOURCE·OurAirports + great-circle computation·REVIEWED JUL 2026

Both airports

KULLAX
AirportKuala Lumpur International AirportLos Angeles International Airport
CitySepangLos Angeles
CountryMalaysiaUnited States
ICAOWMKKKLAX
Coordinates2.7456, 101.7133.9425, -118.408
Elevation69 ft125 ft

Every figure on this plate is geometry. The shape of the earth is knowable; the airline's schedule is not.

Questions this plate answers

How long is the flight from Sepang to Los Angeles?

A non-stop flight from Sepang (KUL) to Los Angeles (LAX) takes about 18h 01m. The great-circle distance is 14,163 km (8,800 miles, 7,647 nautical miles), flying north-east on an initial bearing of 42°.

How far is Sepang from Los Angeles?

14,163 kilometres in a straight line over the earth's surface — 8,800 miles or 7,647 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 LAX?

This page calculates the direct-line time and distance; it does not track airline schedules. At 14,163 km the route is at the extreme end of what any airliner can fly non-stop, so a connection is likely. Check an airline or booking site for what is actually scheduled.

What should I expect on a 18h 01m flight?

Anything past six hours is a long-haul flight: expect at least one meal service, a significant time-zone shift, and enough sitting that circulation and hydration start to matter. Cabin altitude, dry air and disrupted sleep do more damage to a training routine than the flight itself.

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.

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Published by

Amit Sharma

Auckland real-estate agent and marketer. Builds free, sourced data tools.