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Distance from Sumy to Istanbul

Straight line

1,190 km
739 mi · 643 NM

By road

1,822 km
1,132 mi

Travel time

25 h 49 min
flight ≈ 1 h 59 min

Direction

SSW 204°
initial bearing

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

How far is Sumy from Istanbul?

Sumy (Ukraine) and Istanbul (Türkiye) are quite far apart: 1,190 km in a straight line, that is 739 miles or 643 nautical miles. The distance is measured over the Earth's surface (WGS84 ellipsoid) along the shortest possible path.

By road, Sumy to Istanbul is 1,822 km (1,132 miles), about 25 h 49 min by car on the fastest route, without traffic or stops. The road is 53% longer than the straight line.

From Sumy, Istanbul lies to the south-west (initial bearing 204°). The route crosses from Ukraine into Türkiye. The halfway point is at 46.0048°, 31.6125°.

A direct flight would take about 1 h 59 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 Sumy from Istanbul?

By road it is 1,822 km (1,132 miles) from Sumy to Istanbul; in a straight line it is 1,190 km (739 miles).

How long is the drive from Sumy to Istanbul?

About 25 h 49 min on the fastest route (1,822 km), without traffic or stops.

In which direction is Istanbul from Sumy?

Istanbul is to the south-west of Sumy, at an initial bearing of 204°.

How long is the flight from Sumy to Istanbul?

A direct flight would take about 1 h 59 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.