Distance from Tehran to Istanbul
The straight-line distance from Tehran, Iran to Istanbul, Turkey is 2,035 km (1,265 miles).Istanbul is WNW of Tehran.
Distance (km)
2,035
straight line
Distance (miles)
1,265
straight line
Flight Time
3 hr
estimated direct
Direction
WNW
294° bearing
Transport Comparison: Tehran to Istanbul
| Mode | Estimated Time | Distance | Notes |
|---|---|---|---|
| Flight | 3 hr | 2,035 km | Direct flight at 800 km/h avg cruise speed |
| Driving | 33 hr 6 min | ~2,646 km | Avg 80 km/h, +30% route factor |
All times are estimates based on straight-line distance. Actual travel times vary by route, stops, and conditions.
Tehran to Istanbul: Key Details
| From | Tehran, Iran |
| To | Istanbul, Turkey |
| Straight-line Distance | 2,035 km (1,265 miles) |
| Bearing | 294° (WNW) |
| Coordinates (Tehran) | 35.6892°, 51.3890° |
| Coordinates (Istanbul) | 41.0082°, 28.9784° |
Country Profiles
Frequently Asked Questions
How far is Tehran from Istanbul?
The straight-line (as the crow flies) distance from Tehran to Istanbul is 2,035 km (1,265 miles). Istanbul is WNW of Tehran.
How long is the flight from Tehran to Istanbul?
A direct flight from Tehran to Istanbul takes approximately 3 hr, based on an average cruising speed of 800 km/h plus time for takeoff and landing.
How long does it take to drive from Tehran to Istanbul?
Driving from Tehran to Istanbul takes approximately 33 hr 6 min. This estimate assumes an average speed of 80 km/h with a 30% route factor for indirect roads. Actual time will vary based on road conditions, traffic, and the specific route taken.
What direction is Istanbul from Tehran?
Istanbul is WNW (294 degrees) from Tehran.
What is the distance from Istanbul to Tehran?
The distance from Istanbul to Tehran is the same: 2,035 km (1,265 miles). Distance between two points is the same in either direction.
Other Distance Calculations
Distances calculated using the Haversine formula (great-circle distance). Travel time estimates are approximate.
Coordinates sourced from public geographic databases.