Part of the data ring
FlyTime
KHI → IST

Karachi to Istanbul

5h 21mgate to gate

The flight from Jinnah International Airport (KHI) to İstanbul Airport (IST) covers 3,973 km (2,468 miles) and takes approximately 5h 21m gate to gate for a typical jet.

The route heads north-west on an initial great-circle bearing of 307°, passing near 34.6° N, 49.8° E at its midpoint.

Great-circle strip Plate KHI–IST
5h 21mGATE TO GATE1h 20m4h 01mKHIKarachiISTIstanbul307° NORTH-WEST2,145 NM09931,9862,9793,973 km

Bearing 307° north-west Midpoint 34.6° N, 49.8° E Model 805 km/h + 25 min

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

Flight time5h 21mestimated, gate to gate
Distance3,973km · 2,468 mi
Nautical2,145nautical miles
Direction307°north-west

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: 3,973 km.
  3. Airborne time = that distance ÷ 805 km/h, a representative jet cruise speed: 4h 56m.
  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: 5h 21m 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.
3,973 km / 805 km/h = 4h 56m airborne
            + 25 min ground = 5h 21m 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.

KHI IST

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/h7h 13m7h 39m
Narrowbody jet (A320, 737)780 km/h5h 06m5h 31m
Widebody jet (777, 787, A350)900 km/h4h 25m4h 50m
Private jet (Gulfstream)850 km/h4h 40m5h 06m

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

KHIIST
AirportJinnah International Airportİstanbul Airport
CityKarachiIstanbul
CountryPakistanTurkey
ICAOOPKCLTFM
Coordinates24.9065, 67.160841.2749, 28.7321
Elevation100 ft325 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 Karachi to Istanbul?

A non-stop flight from Karachi (KHI) to Istanbul (IST) takes about 5h 21m. The great-circle distance is 3,973 km (2,468 miles, 2,145 nautical miles), flying north-west on an initial bearing of 307°.

How far is Karachi from Istanbul?

3,973 kilometres in a straight line over the earth's surface — 2,468 miles or 2,145 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 KHI and IST?

This page calculates the direct-line time and distance; it does not track airline schedules. At 3,973 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.

See all 10 sites in this family, with what each one answers

Published by

Amit Sharma

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