Piraeus to Zakynthos Sea Distance Calculator

Calculate the exact nautical distance from Piraeus, Greece to Zakynthos, Greece. Plan your maritime journey with our professional route calculator.

Distance: 156.6 nm; nautical miles
Under Sail: 31 hours; at 5 knots
Under Power: 16 hours; at 10 knots
Best Time: May-October; Typical Sailing Season

Distance follows a sea-lane route. Sailing times are estimates at fixed cruising speeds and vary with vessel, weather, and currents.

Interactive Route Map

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Distance: 156.6 nautical miles

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This map shows the direct sea route from Piraeus to Zakynthos. The actual sailing path may vary based on weather conditions and navigation requirements.

Passage details

This is a moderately indirect inter-island route: the navigable route runs 20% longer than the 130 nm direct line, holding a steady southwest course. Transiting the Corinth Canal.

Sea distance: 156.6 nm (290 km)
Direct line: 130.1 nm20% longer
Great-circle bearing: 267° (west)
Sea area: Mediterranean Sea
Geographic extent: 0.6° × 2.7°
Crossing: Domestic · Same region
Transits: Corinth Canal
From: Piraeus (Greece) 37.9475, 23.6375
To: Zakynthos (Greece) 37.7870, 20.8999
Route basis: Sea-lane route

Passage timeEstimated passage time by cruising speed
Cruising speed	Duration
5 kn	31 hours
8 kn	20 hours
10 kn	16 hours
12 kn	13 hours

Distance follows a sea-lane route generated from marine traffic lanes; passage times are computed at fixed cruising speeds.

Named transits are identified from the sea-lane waypoint path.

Read the methodology — How we calculate sea distances

Last reviewed 2026-06-17

About Piraeus to Zakynthos Route

The maritime route from Piraeus to Zakynthos is a day-passage domestic passage serving a major port and an island destination in the Mediterranean region. Mariners on this leg typically prepare for local seasonal winds that vary by area — check a current marine forecast before departure.

This route runs within the same maritime region, connecting Piraeus in Greece with Zakynthos in Greece.

Navigation Tips

•On this day-passage domestic crossing in the Mediterranean region, prepare for local seasonal winds that vary by area — check a current marine forecast before departure, particularly in peak season.
•For a day-passage route, plan fuel and provisioning around the Mediterranean region — calculate consumption with our tool.
•Verify port-entry requirements at both ends of this domestic route within the same maritime region before you depart.
•Check safety gear suited to Mediterranean conditions before a day-passage passage — life rafts, EPIRB, and current charts.
•Carry passports, vessel documents, and crew lists matched to this domestic route within the same maritime region.

More Routes from Piraeus

Frequently Asked Questions

How far is it from Piraeus to Zakynthos by sea?

The sea distance from Piraeus to Zakynthos is approximately 156.6 nautical miles — a day-passage passage in Mediterranean.

How long does it take to sail from Piraeus to Zakynthos?

A day-passage within the same maritime region crossing of 156.6 nautical miles typically takes 16 hours – 31 hours, depending on vessel and weather.

What's the best time to sail from Piraeus to Zakynthos?

The best time for this route in Mediterranean is May-October, when conditions are most favourable; expect local seasonal winds that vary by area — check a current marine forecast before departure outside that window.

Plan Your Perfect Maritime Journey

Use our advanced calculator above to customize your route, add waypoints, calculate fuel costs, and share your journey plan with crew members.

Plan another route with our Sea Distance Calculator Navigation Guide