Free tool

Sea route & distance calculator

Pick an origin and destination port to see the actual shipping route around the coastlines, the distance in kilometres and nautical miles, and an estimated transit time.

Distance
10,511km
Nautical
5,675nmi
Est. transit
25–35 days

Transit time is an estimate; actual schedules depend on the carrier, transshipment and season.

Shanghai
Bandar Abbas

How it works

Choose two ports

Search and select an origin and a destination from over 4,000 ports worldwide.

See the real route

We compute the shortest maritime path that navigates around land and through shipping lanes.

Get distance & transit

Read the distance in kilometres and nautical miles plus an estimated sailing time.

Popular sea routes

Pre-computed distances for the lanes Iranian importers and exporters use most.

Frequently asked questions

How is the sea distance calculated?
We use a maritime network of global shipping lanes and find the shortest path between the two ports, so the distance follows real sea routes around continents rather than a straight line.
What is the difference between kilometres and nautical miles?
Shipping distances are traditionally measured in nautical miles. One nautical mile equals about 1.852 kilometres. We show both for convenience.
Is the transit time accurate?
It is an estimate based on the distance and typical vessel speeds plus an allowance for transshipment. Actual transit depends on the carrier, the service and the season — ask us for a confirmed schedule.
Can I get an actual freight quote for a route?
Yes. Select your ports and request a quote, and our team will price the lane across FCL, LCL and other modes.

Need a price for this route?

Get a free, no-obligation freight quote from Cargo365 for any sea lane.

Request a quote