How far is Seattle from Ningbo by sea?

5,631 nautical miles (10,428 km) on the shortest sea route.

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

16.8 days at 14 knots, 13.0 days at 18 knots, 10.7 days at 22 knots, not counting port time.

Seattle to Ningbo sea distance

Seattle, United States (USSEA) to Ningbo, China (CNNGB) is 5,631 nautical miles (10,428 km) by sea.

Distance and sailing time

Distance	5,631 nm · 10,428 km
At 14 knots	16.8 days (402 h)
At 18 knots	13.0 days (313 h)
At 22 knots	10.7 days (256 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	≈ 3,653 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', 'CNNGB', { vesselDraftMeters: 14 });
console.log(route.properties.length); // 5,631 nm

npm install searoute-ts · GitHub · npm

Related routes

Reverse direction: Ningbo to Seattle · 5,631 nm

More to Ningbo

Colombo to Ningbo · 3,754 nm
Jawaharlal Nehru (Nhava Sheva) to Ningbo · 4,655 nm
Jebel Ali to Ningbo · 5,590 nm
Los Angeles to Ningbo · 5,910 nm
Long Beach to Ningbo · 5,910 nm
Jeddah to Ningbo · 6,516 nm

All routes for Seattle and Ningbo, or every route.