🚢 Port to Port Distance Calculator & Sea Route Planner

Create your own sea routes, calculate port to port distances, estimate voyage times and plan journeys between any ports in the world.

How to Use?

1. Select your departure port and arrival port.
2. Enter your vessel’s average speed.
3. Instantly view sea routes, waypoints, total distance, and estimated travel time!

Reset
⚠️ Note: All distances and durations shown on the map are estimated and should be used for reference only. For real-time navigation, always consult official maritime tools.

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 Click to request a new route . We will review your request and do our best to add it to our system.