Hong Kong to Shenzhen Sea Distance Calculator

Calculate the exact nautical distance from Hong Kong, China to Shenzhen, China. Plan your maritime journey with our professional route calculator.

Distance
127 nm
nautical miles
Under Sail
25 hours
at 5 knots
Under Power
13 hours
at 10 knots
Best Time
November-March
Typical Sailing Season

Distance follows a sea-lane route. Sailing times are estimates at fixed cruising speeds and vary with vessel, weather, and currents.

Interactive Route Map

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Distance: 127 nautical miles
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This map shows the direct sea route from Hong Kong to Shenzhen. The actual sailing path may vary based on weather conditions and navigation requirements.

Passage details

This is a markedly indirect coastal passage: the navigable route runs 758% longer than the 15 nm direct line, its heading turning from east to northeast. It is an international crossing between two countries. It spans two maritime regions.

Sea distance
127 nm (235.2 km)
Direct line
14.8 nm758% longer
Great-circle bearing
335° (north-northwest)
Geographic extent
0.8° × 0.7°
Crossing
Domestic · Cross-region
From
Hong Kong (China) 22.3193, 114.1694
To
Shenzhen (China) 22.5431, 114.0579
Route basis
Sea-lane route
Passage timeEstimated passage time by cruising speed
Cruising speedDuration
5 kn25 hours
8 kn16 hours
10 kn13 hours
12 kn11 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 Hong Kong to Shenzhen Route

Linking Hong Kong and Shenzhen, this single-day crossing within one country crossing between two major harbours sits in the Southeast Asia region — a passage shaped by Strait of Malacca traffic density and shifting tidal currents.

The lane links Hong Kong (China) and Shenzhen (China), crossing between different maritime regions.

Navigation Tips

  • •A single-day crossing within one country passage in the Southeast Asia region typically requires planning for Strait of Malacca traffic density and shifting tidal currents.
  • •A single-day crossing leg in Southeast Asia benefits from waypoint planning and verified fuel availability.
  • •Confirm operating hours and clearance procedures for this within one country crossing crossing between different maritime regions, since rules vary by port.
  • •Verify that emergency equipment matches the demands of a single-day crossing leg in Southeast Asia.
  • •Documentation requirements differ for within one country passages crossing between different maritime regions; verify cruising permits in advance.

More Routes from Hong Kong

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Frequently Asked Questions

How far is it from Hong Kong to Shenzhen by sea?

Approximately 127 nautical miles separate Hong Kong and Shenzhen by sea, making this a single-day crossing leg in Southeast Asia.

How long does it take to sail from Hong Kong to Shenzhen?

Expect about 13 hours – 25 hours for a single-day crossing run of 127 nautical miles crossing between different maritime regions.

What's the best time to sail from Hong Kong to Shenzhen?

Peak sailing season here is November-March; year-round, Southeast Asia routes contend with Strait of Malacca traffic density and shifting tidal currents.

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 CalculatorNavigation Guide