How far is Seattle from Shanghai by sea?

5,608 nautical miles (10,386 km) on the shortest sea route.

How long does it take to sail from Seattle to Shanghai?

16.7 days at 14 knots, 13.0 days at 18 knots, 10.6 days at 22 knots, not counting port time.

Seattle to Shanghai sea distance

Seattle, United States (USSEA) to Shanghai, China (CNSHA) is 5,608 nautical miles (10,386 km) by sea.

Distance and sailing time

Distance	5,608 nm · 10,386 km
At 14 knots	16.7 days (401 h)
At 18 knots	13.0 days (312 h)
At 22 knots	10.6 days (255 h)

Time at sea only, excluding port calls, canal waiting and weather.

Passages

No named canals or straits on this route.

Emissions estimate

Inside ECA/SECA zones	552 km (5% of the route)
CO₂e	≈ 3,638 t

Rough estimate for a post-Panamax container ship, not a certified figure. ECA share uses bounding boxes.

Compute it yourself

import { seaRoute } from 'searoute-ts';
import 'searoute-ts/ports';

const route = seaRoute('USSEA', 'CNSHA', { vesselDraftMeters: 14 });
console.log(route.properties.length); // 5,608 nm

npm install searoute-ts · GitHub · npm

Related routes

Reverse direction: Shanghai to Seattle · 5,608 nm

More to Shanghai

Busan to Shanghai · 460 nm
Yokohama to Shanghai · 1,024 nm
Singapore to Shanghai · 2,226 nm
Port Klang (Pelabuhan Klang) to Shanghai · 2,415 nm
Colombo to Shanghai · 3,860 nm
Sydney to Shanghai · 4,607 nm

All routes for Seattle and Shanghai, or every route.