Guangzhou to Hong Kong Sea Distance Calculator

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

Distance
163.1 nm
nautical miles
Under Sail
33 hours
at 5 knots
Under Power
16 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: 163.1 nautical miles
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This map shows the direct sea route from Guangzhou to Hong Kong. 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 134% longer than the 70 nm direct line, its heading turning from southeast to west. It is an international crossing between two countries. It spans two maritime regions.

Sea distance
163.1 nm (302.1 km)
Direct line
69.8 nm134% longer
Great-circle bearing
134° (southeast)
Geographic extent
1.4° × 1.2°
Crossing
Domestic · Cross-region
From
Guangzhou (China) 23.1291, 113.2644
To
Hong Kong (China) 22.3193, 114.1694
Route basis
Sea-lane route
Passage timeEstimated passage time by cruising speed
Cruising speedDuration
5 kn33 hours
8 kn20 hours
10 kn16 hours
12 kn14 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 Guangzhou to Hong Kong Route

The maritime route from Guangzhou to Hong Kong is a day-passage within one country passage between two major harbours in the Pacific region. Mariners on this leg typically prepare for the western Pacific typhoon season July through October.

This route runs crossing between different maritime regions, connecting Guangzhou in China with Hong Kong in China.

Navigation Tips

  • •On this day-passage within one country crossing in the Pacific region, prepare for the western Pacific typhoon season July through October, particularly in peak season.
  • •For a day-passage route, plan fuel and provisioning around the Pacific region — calculate consumption with our tool.
  • •Verify port-entry requirements at both ends of this within one country route crossing between different maritime regions before you depart.
  • •Check safety gear suited to Pacific conditions before a day-passage passage — life rafts, EPIRB, and current charts.
  • •Carry passports, vessel documents, and crew lists matched to this within one country route crossing between different maritime regions.

Continue from Hong Kong

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Frequently Asked Questions

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

The sea distance from Guangzhou to Hong Kong is approximately 163.1 nautical miles — a day-passage passage in Pacific.

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

A day-passage crossing between different maritime regions crossing of 163.1 nautical miles typically takes 16 hours – 33 hours, depending on vessel and weather.

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

The best time for this route in Pacific is November-March, when conditions are most favourable; expect the western Pacific typhoon season July through October outside that window.

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