London to Manchester Sea Distance Calculator

Calculate the exact nautical distance from London, United Kingdom to Manchester, United Kingdom. Plan your maritime journey with our professional route calculator.

Distance
686.1 nm
nautical miles
Under Sail
5.7 days
at 5 knots
Under Power
2.9 days
at 10 knots
Best Time
May-September
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

Loading map...

Distance: 686.1 nautical miles
🧮 Open Interactive Calculator

This map shows the direct sea route from London to Manchester. 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 379% longer than the 143 nm direct line, its heading turning from east to east-northeast.

Sea distance
686.1 nm (1270.6 km)
Direct line
143.3 nm379% longer
Great-circle bearing
327° (north-northwest)
Geographic extent
3.7° × 7.4°
Crossing
Domestic · Same region
From
London (United Kingdom) 51.5000, -0.0833
To
Manchester (United Kingdom) 53.4833, -2.2667
Route basis
Sea-lane route
Passage timeEstimated passage time by cruising speed
Cruising speedDuration
5 kn5.7 days
8 kn3.6 days
10 kn2.9 days
12 kn2.4 days

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 London to Manchester Route

Linking London and Manchester, this extended offshore within one country crossing between two major harbours sits in the Northern Europe region — a passage shaped by persistent low cloud and reduced visibility on shoulder-season passages.

The lane links London (United Kingdom) and Manchester (United Kingdom), between neighbouring ports of the same region.

Navigation Tips

  • •A extended offshore within one country passage in the Northern Europe region typically requires planning for persistent low cloud and reduced visibility on shoulder-season passages.
  • •A extended offshore leg in Northern Europe benefits from waypoint planning and verified fuel availability.
  • •Confirm operating hours and clearance procedures for this within one country crossing between neighbouring ports of the same region, since rules vary by port.
  • •Verify that emergency equipment matches the demands of a extended offshore leg in Northern Europe.
  • •Documentation requirements differ for within one country passages between neighbouring ports of the same region; verify cruising permits in advance.

Suggested Stops

On a long 686.1 nm passage from London to Manchester, these ports make convenient places to break the journey, refuel, and rest.

  1. Portland Harbour (United Kingdom) · ≈243.1 nm in — View port details
  2. Fishguard (United Kingdom) · ≈514.3 nm in — View port details

Frequently Asked Questions

How far is it from London to Manchester by sea?

Approximately 686.1 nautical miles separate London and Manchester by sea, making this a extended offshore leg in Northern Europe.

How long does it take to sail from London to Manchester?

Expect about 2.9 days – 5.7 days for a extended offshore run of 686.1 nautical miles between neighbouring ports of the same region.

What's the best time to sail from London to Manchester?

Peak sailing season here is May-September; year-round, Northern Europe routes contend with persistent low cloud and reduced visibility on shoulder-season passages.

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