Distance from Istanbul to Constanța
Straight line
By road
Travel time
Direction
Open in the calculator (stops, directions, fuel cost) → Constanța → Istanbul
How far is Istanbul from Constanța?
Istanbul (Türkiye) and Constanța (Romania) are a medium distance apart: 353 km in a straight line, that is 219 miles or 190 nautical miles. The distance is measured over the Earth's surface (WGS84 ellipsoid) along the shortest possible path.
By road, Istanbul to Constanța is 609 km (379 miles), about 8 h 43 min by car on the fastest route, without traffic or stops. The road is 73% longer than the straight line.
From Istanbul, Constanța lies to the north (initial bearing 356°). The route crosses from Türkiye into Romania. The halfway point is at 42.5974°, 28.7960°.
A direct flight would take about 56 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 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
Other distances from Constanța
- Constanța – Ovidiu 10 km
- Constanța – Năvodari 15 km
- Constanța – Murfatlar 17 km
- Constanța – Medgidia 29 km
- Constanța – Mangalia 43 km
- Constanța – Cernavodă 51 km
- Constanța – Fetești 68 km
- Constanța – Hârșova 78 km
- Constanța – Babadag 80 km
Frequently asked questions
How far is Istanbul from Constanța?
By road it is 609 km (379 miles) from Istanbul to Constanța; in a straight line it is 353 km (219 miles).
How long is the drive from Istanbul to Constanța?
About 8 h 43 min on the fastest route (609 km), without traffic or stops.
In which direction is Constanța from Istanbul?
Constanța is to the north of Istanbul, at an initial bearing of 356°.
How long is the flight from Istanbul to Constanța?
A direct flight would take about 56 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.