Sea Distance
Colombo to Piraeus
4,122 nautical miles (7,634 km) on the modelled sea route — routing-network estimate, not a voyage plan.
Transit time by speed
- 10 kn
- 17.2 days
- 12 kn
- 14.3 days
- 14 kn
- 12.3 days
- 16 kn
- 10.7 days
- 18 kn
- 9.5 days
- 20 kn
- 8.6 days
Canal transit
The primary modelled route transits the Suez Canal. The canal-free alternative is 11,093 nm via the Cape of Good Hope — see the cost trade-off below.
Emission Control Areas
The modelled route crosses: Mediterranean Sea ECA. Inside an ECA, fuel sulphur is limited to 0.10% m/m — screening only, verify under MARPOL Annex VI.
Work with this route
Run the numbers.
Distances are routing-model estimates over the MARNET maritime network between WPI port positions — planning estimates, not navigation plans. Speed transits exclude weather, congestion, pilotage and port time.
Questions
Asked about this route.
How far is it from Colombo to Piraeus by sea?
The modelled sea route is 4,122 nautical miles (7,634 km) between the two port reference positions. Actual sailed distance varies with the route a vessel takes.
How long does it take to sail from Colombo to Piraeus?
At a service speed of 14 knots the sea passage is about 12.3 days. At 10 knots, 17.2 days; at 20 knots, 8.6 days — plus port, pilotage, canal convoy and waiting time.
Does the Colombo–Piraeus route cross an Emission Control Area?
The modelled route crosses Mediterranean Sea ECA. Indicative screening only — applicability depends on the sailed track and current MARPOL Annex VI.
Does the Colombo–Piraeus route use a canal?
The modelled primary route transits the Suez Canal. A canal-free alternative of 11,093 nautical miles exists via the Cape of Good Hope.
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