Air Miles Calculator logo

How far is Tehran from Istanbul?

The distance between Istanbul (Istanbul Airport) and Tehran (Mehrabad International Airport) is 1278 miles / 2058 kilometers / 1111 nautical miles.

The driving distance from Istanbul (IST) to Tehran (THR) is 1530 miles / 2462 kilometers, and travel time by car is about 29 hours 20 minutes.

Istanbul Airport – Mehrabad International Airport

Distance arrow
1278
Miles
Distance arrow
2058
Kilometers
Distance arrow
1111
Nautical miles
Flight time duration
2 h 55 min
CO2 emission
165 kg

Search flights

Distance from Istanbul to Tehran

There are several ways to calculate the distance from Istanbul to Tehran. Here are two standard methods:

Vincenty's formula (applied above)
  • 1278.478 miles
  • 2057.511 kilometers
  • 1110.967 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula
  • 1275.872 miles
  • 2053.317 kilometers
  • 1108.702 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

How long does it take to fly from Istanbul to Tehran?

The estimated flight time from Istanbul Airport to Mehrabad International Airport is 2 hours and 55 minutes.

Flight carbon footprint between Istanbul Airport (IST) and Mehrabad International Airport (THR)

On average, flying from Istanbul to Tehran generates about 165 kg of CO2 per passenger, and 165 kilograms equals 365 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Istanbul to Tehran

See the map of the shortest flight path between Istanbul Airport (IST) and Mehrabad International Airport (THR).

Airport information

Origin Istanbul Airport
City: Istanbul
Country: Turkey Flag of Turkey
IATA Code: IST
ICAO Code: LTFM
Coordinates: 41°15′36″N, 28°44′33″E
Destination Mehrabad International Airport
City: Tehran
Country: Iran Flag of Iran
IATA Code: THR
ICAO Code: OIII
Coordinates: 35°41′21″N, 51°18′48″E