Map of flight path from Sofia to Istanbul.
Shortest flight path between Sofia Airport (SOF) and Istanbul Airport (IST).
How far is Istanbul from Sofia?
There are several ways to calculate distances between Sofia and Istanbul. Here are two common methods:Vincenty's formula (applied above)
- 291.830 miles
- 469.656 kilometers
- 253.594 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.Haversine formula
- 291.193 miles
- 468.629 kilometers
- 253.040 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).
Time difference and current local times
The time difference between Sofia and Istanbul is 1 hour. Istanbul is 1 hour ahead of Sofia.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 68 kg (150 pounds).
Frequent Flyer Miles Calculator
Sofia (SOF) → Istanbul (IST).