Split to Ancona Sea Distance Calculator

Calculate the exact nautical distance from Split, Croatia to Ancona, Italy. Plan your maritime journey with our professional route calculator.

Distance: 138.1 nm; nautical miles
Under Sail: 28 hours; at 5 knots
Under Power: 14 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.

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Distance: 138.1 nautical miles

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This map shows the direct sea route from Split to Ancona. 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 9% longer than the 127 nm direct line, its heading turning from west to east-southeast. It is an international crossing between two countries.

Sea distance: 138.1 nm (255.8 km)
Direct line: 127.3 nm9% longer
Great-circle bearing: 274° (west)
Sea area: Adriatic Sea
Geographic extent: 0.2° × 3.0°
Crossing: Cross-border · Same region
From: Split (Croatia) 43.5081, 16.4402
To: Ancona (Italy) 43.6158, 13.5184
Route basis: Sea-lane route

Passage timeEstimated passage time by cruising speed
Cruising speed	Duration
5 kn	28 hours
8 kn	17 hours
10 kn	14 hours
12 kn	12 hours

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 Split to Ancona Route

Linking Split and Ancona, this single-day crossing international crossing connecting a working port with a cruise destination sits in the Mediterranean region — a passage shaped by the winter Bora, a cold north-easterly arriving in sudden gusts, and the humid southerly Sirocco.

The lane links Split (Croatia) and Ancona (Italy), within the same maritime region.

Navigation Tips

•A single-day crossing international passage in the Mediterranean region typically requires planning for the winter Bora, a cold north-easterly arriving in sudden gusts, and the humid southerly Sirocco.
•A single-day crossing leg in Mediterranean benefits from waypoint planning and verified fuel availability.
•Confirm operating hours and clearance procedures for this international crossing within the same maritime region, since rules vary by port.
•Verify that emergency equipment matches the demands of a single-day crossing leg in Mediterranean.
•Documentation requirements differ for international passages within the same maritime region; verify cruising permits in advance.

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Frequently Asked Questions

How far is it from Split to Ancona by sea?

Approximately 138.1 nautical miles separate Split and Ancona by sea, making this a single-day crossing leg in Mediterranean.

How long does it take to sail from Split to Ancona?

Expect about 14 hours – 28 hours for a single-day crossing run of 138.1 nautical miles within the same maritime region.

What's the best time to sail from Split to Ancona?

Peak sailing season here is May-October; year-round, Mediterranean routes contend with the winter Bora, a cold north-easterly arriving in sudden gusts, and the humid southerly Sirocco.

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