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ThailandUnited States

Laem Chabang to Seattle shipping route.

7,221 nautical miles direct, about 21.5 days of steaming at 14 knots.

Distance7,221 nm13,373 km
Days at sea21.514 knots
RouteDirectdirect
ECA waters548 nmNorth American ECA

Sea Distance Between Ports: Laem Chabang and Seattle

Port to Port Distance on the map, along real shipping lanes.

Laem ChabangSeaSeattle

Shipping time from Laem Chabang to Seattle

RouteDistance12 kn14 kn18 kn
direct (shortest)7,221 nm25.1 d21.5 d16.7 d

Sea Route Distance Calculator

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Reverse: Seattle to Laem Chabang

Ship Laem Chabang to Seattle with Navo

Live numbers for this lane from Navo apps, updated 2026-10-31.

Sailings Laem Chabang to Seattle

2sailings / 30 d
28 dtransit
1carriers

Freight rates THLCH to USSEA

$6,99020GP from
$9,70040GP from
$9,70040HC from
  • Per TEU on a 40GP$4,850
  • Scheduled transit28 days
  • Carriers on the lane1
  • IncludedOcean freight, before local charges

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  • Vessel positionAIS, live
  • Arrival in SeattleETA with delay alerts
  • Free timeAbout 3.94 days at USSEA

Free time in Seattle

Carriers give about 3.94 free days at Seattle (USSEA) before demurrage and detention start. Navo counts them on every box you track.

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About the Laem Chabang to Seattle shipping route

The shipping route from Laem Chabang, Thailand to Seattle, United States covers 7,221 nautical miles port to port, on a direct course. On a globe the two ports sit 12,026 km apart, so the ship sails 1.11 times the straight line distance. No canals or major straits on this leg, the ship stays close to the direct line.

Shipping time depends on speed. At 14 knots, a common container ship service speed, the passage takes 21.5 days at sea. Slow steaming at 12 knots stretches it to 25.1 days, while 18 knots brings it down to 16.7. Liner schedules on the lane quote 28 days port to port, because the services call at other ports and some transship. Over the last 30 days we counted 2 sailings by 1 carrier (CMA CGM).

548 nm of the route, 8% of it, lies inside North American ECA. In an emission control area ships must burn fuel with no more than 0.1% sulphur or clean the exhaust with scrubbers. That fuel costs more, and carriers add it to the ocean freight bill as a low sulphur or ECA surcharge.

Recent freight rates for THLCH to USSEA start at $6,990 for a 20GP and $9,700 for a 40GP. These are spot market prices from carriers that sail the lane; your quote will also include terminal handling, documentation and any bunker surcharge. At Seattle (USSEA) carriers give about 3.94 free days before demurrage and detention charges start, so plan the truck or rail pickup before the box lands.

Of the 65 port to port routes from Laem Chabang in this directory, Seattle is the 37th shortest. Closer destinations include Marsaxlokk (6,821 nm), Piraeus (6,466 nm) and Cape Town (6,465 nm).

FAQ

How many nautical miles from Laem Chabang to Seattle?

The port to port distance from Laem Chabang to Seattle is 7,221 nautical miles (13,373 km), direct.

What is the shipping time from Laem Chabang to Seattle?

About 21.5 days at 14 knots and 16.7 days at 18 knots of steaming, without port calls. Scheduled liner services on this lane quote 28 to 28 days.

What are freight rates from Laem Chabang to Seattle?

Recent spot rates for THLCH to USSEA start at $6,990 per 20GP and $9,700 per 40GP, before local charges. Rates change weekly.

How much of the route is in an emission control area?

548 nm sit inside ECA waters (North American ECA), where ships burn 0.1% sulphur fuel.

Is the return route the same?

The reverse route Seattle to Laem Chabang has its own page with the same distance and route.

More port to port distance

How we count: sea routes follow shipping lanes and canals, time is pure steaming at 14 knots without port calls. Engine navo-distance-time 0.3.0. See all sea distance between ports or the Shipping Routes Directory.

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