Distance: London to Istanbul
Distance between London and Istanbul in kilometers, miles and nautical miles.
London to Istanbul distance overview
The distance from London to Istanbul is 2.504 km (1.556 miles) in a straight line, or about 1.352 nautical miles. This is the great-circle distance — the shortest path over the Earth's surface — which is what aircraft and ships broadly follow. By road the journey is longer, at roughly 3.380 km, because highways rarely run in a perfectly straight line.
By car the drive takes approximately 42h 15m at normal highway speeds, not counting rest stops, fuel breaks, traffic or any border crossings between London and Istanbul. A direct flight covers the same route in about 3h 37m in the air; door-to-door, add a couple of hours for airport check-in, security and getting to and from each airport.
For a 2.504 km trip like this, flying tends to be the most practical choice. If you want to compare the options side by side, see our drive vs fly, flight time and halfway point tools for London to Istanbul.
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Frequently Asked Questions
How far is London from Istanbul?
The straight-line (great-circle) distance from London to Istanbul is 2.504 km (1.556 miles, or 1.352 nautical miles). By road it is approximately 3.380 km, a drive of about 42h 15m. A direct flight covers the distance in roughly 3h 37m.
How long does it take to drive from London to Istanbul?
Driving from London to Istanbul covers about 3.380 km and takes approximately 42h 15m at typical highway speeds, before rest stops, traffic and border crossings. The road route is about 35% longer than the straight-line distance.
How long is the flight from London to Istanbul?
A non-stop flight between London and Istanbul takes about 3h 37m in the air. Add roughly 2–3 hours for check-in, security and transfers to and from the airports when planning door-to-door travel time.
Is it better to fly or drive from London to Istanbul?
For this 2.504 km route, flying is usually the most practical option. Driving gives you flexibility and door-to-door convenience, while flying saves time on longer distances. Compare both on our Drive vs Fly tool for London to Istanbul.
How many nautical miles is it from London to Istanbul?
The nautical distance from London to Istanbul is approximately 1.352 nautical miles — the measure used for sailing and aviation, based on the great-circle path.
How is the distance from London to Istanbul calculated?
The straight-line figure uses the haversine formula on the geographic coordinates of London and Istanbul, giving the shortest distance over the Earth's surface. Road distance and drive time are estimated from typical routing and average speeds; flight time assumes a direct commercial flight.