Port-to-port sea distance

Primorsk to Constanta distance

The sea distance from Primorsk (Russia) to Constanta (Romania) is about 4,629 nautical miles (8,572 km), via the Dover Strait, Strait of Gibraltar and Bosphorus. At 12 knots that is about 16 days 2 hours at sea.

Distance

4,629 nm

8,572 km

Sea days @ 12 kn

16.1

16 days 2 hours

ECA miles

3,444 nm

74% of the route

Canals & straits

Dover Strait · Strait of Gibraltar · Bosphorus

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Sea days by speed

Speed	One way	Round voyage
10 knots	19.3 days	38.6 days
11 knots	17.5 days	35.1 days
12 knots	16.1 days	32.1 days
13 knots	14.8 days	29.7 days
14 knots	13.8 days	27.6 days
15 knots	12.9 days	25.7 days

Steaming time only, with no allowance for weather, canal waiting or port time. The round voyage assumes the ship ballasts back on the same route.

Routes compared

Shortest route

4,629 nm

16.1 days at 12 kn · Dover Strait · Strait of Gibraltar · Bosphorus · 3,444 nm in ECA

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Voyage estimates by ship size

About this trade

Baltic & Black Sea crude. Crude out of the Baltic and the Black Sea, including CPC Blend from Kazakhstan and Azeri crude through Ceyhan and Supsa, into the Mediterranean, Europe and Asia.

Typical ship sizes: Suezmax, Aframax
Related benchmark routes: TD6 (Black Sea–Med Suezmax), TD17 (Baltic–UKC Aframax)

Questions

How far is Primorsk from Constanta by sea?

The sea distance from Primorsk to Constanta is about 4,629 nautical miles (8,572 km), via the Dover Strait, Strait of Gibraltar and Bosphorus.

How long does a tanker take to sail from Primorsk to Constanta?

About 16 days 2 hours at 12 knots, or 13.8 days at 14 knots. That is steaming time only; add time for port calls, canal transits and weather.

Which canals and straits does the Primorsk–Constanta route pass?

The shortest route passes the Dover Strait, Strait of Gibraltar and Bosphorus.

How much of the voyage is inside an Emission Control Area?

About 3,444 nm, or 74% of the voyage, is inside an ECA, where ships must burn 0.10% sulphur fuel or use a scrubber.

Terms on this page

Distances are calculated by Vessbook on a modelled global shipping-lane network for a tanker at 12 m draft, from berth area to berth area.