Port-to-Port Distance Route Planner & ETA

Compare available sea routes, calculate nautical miles and estimate voyage duration between ports worldwide.

Worldwide ports Alternative routes ETA estimation

Plan your voyage

Choose two ports and vessel speed

Select your departure first, then choose an available arrival port. Add a date to calculate the estimated arrival.

Departure Port

Arrival Port

Departure Date

Speed (knots)

Reset

Routes are based on ECDIS-style waypoint structures and standard maritime routing practices. Final navigation decisions remain the responsibility of the vessel’s bridge team and the Master.

Need help?

Frequently Asked Questions

How do I calculate the distance between two ports?

Use the Port to Port Distance Calculator above: select departure and arrival ports to see the nautical miles, official route, and voyage time.

How can I estimate the sailing days between ports?

Enter your ship's average speed (in knots) to get an accurate ETA (Estimated Time of Arrival) and voyage duration.

Is this sea distance tool free?

Yes, our marine distance calculator and route planner are completely free for all users.

Can I plan alternative routes?

Yes. The tool shows both recommended and alternative sea routes with all waypoints, distances, and sailing days.

I couldn't find the route I was looking for. What can I do?

If the route you need is missing, you can request a new route. We will review your request and do our best to add it to our system.