Distance from Sofia to Istanbul
Straight line
By road
Travel time
Direction
Open in the calculator (stops, directions, fuel cost) → Istanbul → Sofia
How far is Sofia from Istanbul?
Sofia (Bulgaria) and Istanbul (Türkiye) are a medium distance apart: 503 km in a straight line, that is 313 miles or 272 nautical miles. The distance is measured over the Earth's surface (WGS84 ellipsoid) along the shortest possible path.
By road, Sofia to Istanbul is 548 km (340 miles), about 5 h 34 min by car on the fastest route, without traffic or stops. The road is 9% longer than the straight line.
From Sofia, Istanbul lies to the east (initial bearing 110°). The route crosses from Bulgaria into Türkiye. The halfway point is at 41.8900°, 26.1740°.
A direct flight would take about 1 h 8 min (800 km/h cruise plus take-off and landing). The road distance and driving time are calculated on the map from OpenStreetMap roads.
Other distances from Sofia
- Sofia – Plovdiv 132 km
- Sofia – Niš 135 km
- Sofia – Dăbuleni 137 km
- Sofia – Poiana Mare 137 km
- Sofia – Băilești 147 km
- Sofia – Calafat 147 km
- Sofia – Corabia 153 km
- Sofia – Turnu Măgurele 171 km
- Sofia – Skopje 174 km
Other distances from Istanbul
- Istanbul – Zeytinburnu 4 km
- Istanbul – Üsküdar 5 km
- Istanbul – Şişli 6 km
- Istanbul – Esenler 7 km
- Istanbul – Bahçelievler 8 km
- Istanbul – Bağcılar 8 km
- Istanbul – Sultangazi 12 km
- Istanbul – Ataşehir 14 km
- Istanbul – Umraniye 15 km
Frequently asked questions
How far is Sofia from Istanbul?
By road it is 548 km (340 miles) from Sofia to Istanbul; in a straight line it is 503 km (313 miles).
How long is the drive from Sofia to Istanbul?
About 5 h 34 min on the fastest route (548 km), without traffic or stops.
In which direction is Istanbul from Sofia?
Istanbul is to the east of Sofia, at an initial bearing of 110°.
How long is the flight from Sofia to Istanbul?
A direct flight would take about 1 h 8 min at an average cruising speed of 800 km/h.
How is the distance calculated?
The straight-line distance is computed on the WGS84 ellipsoid with the Vincenty formula, accurate to the metre. The road distance comes from OpenStreetMap roads.