The shipping distance between Karachi and Calcutta is 2,626 nautical miles (4,863 km), measured along real commercial shipping lanes rather than a straight line.
Route and distance computed over real shipping lanes (searoute, open data) — not a great-circle approximation.
Estimated sailing time from Karachi to Calcutta at typical commercial speeds. Container ships usually cruise between 14 and 18 knots.
| Speed | Transit time |
|---|---|
| 10 knots | 10.9 days |
| 14 knots | 7.8 days |
| 18 knots | 6.1 days |
| 22 knots | 5 days |
Estimates cover sailing time only and exclude port calls, canal transit queues and weather routing. Actual carrier schedules may differ.
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The sea distance from Karachi to Calcutta is 2,626 nautical miles, or about 4,863 kilometers, measured along real shipping lanes.
At typical commercial speeds of 14 to 18 knots, a container ship needs roughly 6.1 to 7.8 days of sailing from Karachi to Calcutta, excluding port calls and canal queues.
The usual commercial route is an open-ocean passage and does not cross any major maritime chokepoint.