Santorini to Tunis Sea Distance Calculator

Calculate the exact nautical distance from Santorini, Greece to Tunis, Tunisia. Plan your maritime journey with our professional route calculator.

Distance: 763.9 nm; nautical miles
Under Sail: 6.4 days; at 5 knots
Under Power: 3.2 days; 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: 763.9 nautical miles

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

Passage details

This is a near-direct coastal passage: the navigable route runs 5% longer than the 730 nm direct line, its heading turning from northwest to west-southwest. It is an international crossing between two countries.

Sea distance: 763.9 nm (1414.7 km)
Direct line: 730.2 nm5% longer
Great-circle bearing: 277° (west)
Sea area: Mediterranean Sea
Geographic extent: 1.2° × 15.2°
Crossing: Cross-border · Same region
From: Santorini (Greece) 36.3932, 25.4615
To: Tunis (Tunisia) 36.8189, 10.3056
Route basis: Sea-lane route

Passage timeEstimated passage time by cruising speed
Cruising speed	Duration
5 kn	6.4 days
8 kn	4 days
10 kn	3.2 days
12 kn	2.7 days

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

Read the methodology — How we calculate sea distances

Last reviewed 2026-06-17

About Santorini to Tunis Route

Linking Santorini and Tunis, this extended offshore cross-border crossing linking the mainland to an island anchorage sits in the Mediterranean region — a passage shaped by conditions that shift with the season and locality, so consult an up-to-date marine forecast.

The lane links Santorini (Greece) and Tunis (Tunisia), between neighbouring ports of the same region.

Navigation Tips

•A extended offshore cross-border passage in the Mediterranean region typically requires planning for conditions that shift with the season and locality, so consult an up-to-date marine forecast.
•A extended offshore leg in Mediterranean benefits from waypoint planning and verified fuel availability.
•Confirm operating hours and clearance procedures for this cross-border crossing between neighbouring ports of the same region, since rules vary by port.
•Verify that emergency equipment matches the demands of a extended offshore leg in Mediterranean.
•Documentation requirements differ for cross-border passages between neighbouring ports of the same region; verify cruising permits in advance.

Suggested Stops

On a long 763.9 nm passage from Santorini to Tunis, these ports make convenient places to break the journey, refuel, and rest.

Pozzallo (Italy) · ≈525.6 nm in — View port details

More Routes from Santorini

Continue from Tunis

Frequently Asked Questions

How far is it from Santorini to Tunis by sea?

Approximately 763.9 nautical miles separate Santorini and Tunis by sea, making this a extended offshore leg in Mediterranean.

How long does it take to sail from Santorini to Tunis?

Expect about 3.2 days – 6.4 days for a extended offshore run of 763.9 nautical miles between neighbouring ports of the same region.

What's the best time to sail from Santorini to Tunis?

Peak sailing season here is May-October; year-round, Mediterranean routes contend with conditions that shift with the season and locality, so consult an up-to-date marine forecast.

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