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Distance from Istanbul to Holboca

Straight line

689 km
428 mi · 372 NM

By road

…
calculating

Travel time

…
flight ≈ 1 h 22 min

Direction

N 352°
initial bearing

Open in the calculator (stops, directions, fuel cost) → Holboca → Istanbul

How far is Istanbul from Holboca?

Istanbul (Türkiye) and Holboca (Romania) are quite far apart: 689 km in a straight line, that is 428 miles or 372 nautical miles. The distance is measured over the Earth's surface (WGS84 ellipsoid) along the shortest possible path.

From Istanbul, Holboca lies to the north (initial bearing 352°). The route crosses from Türkiye into Romania. The halfway point is at 44.0836°, 28.3573°.

A direct flight would take about 1 h 22 min (800 km/h cruise plus take-off and landing). The road distance and driving time are calculated on the map from OpenStreetMap roads.

Frequently asked questions

How far is Istanbul from Holboca?

The straight-line distance between Istanbul and Holboca is 689 km (428 miles). The road distance is longer and is calculated on the map.

In which direction is Holboca from Istanbul?

Holboca is to the north of Istanbul, at an initial bearing of 352°.

How long is the flight from Istanbul to Holboca?

A direct flight would take about 1 h 22 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.