How far is Colombo from Singapore by sea?

1,634 nautical miles (3,026 km) on the shortest sea route.

How long does it take to sail from Colombo to Singapore?

4.9 days at 14 knots, 3.8 days at 18 knots, 3.1 days at 22 knots, not counting port time.

Colombo to Singapore sea distance

Colombo, Sri Lanka (LKCMB) to Singapore, Singapore (SGSIN) is 1,634 nautical miles (3,026 km) by sea.

Distance and sailing time

Distance	1,634 nm · 3,026 km
At 14 knots	4.9 days (117 h)
At 18 knots	3.8 days (91 h)
At 22 knots	3.1 days (74 h)

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

Passages

Strait of Malacca

Emissions estimate

Inside ECA/SECA zones	0 km (0% of the route)
CO₂e	≈ 1,060 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('LKCMB', 'SGSIN', { vesselDraftMeters: 14 });
console.log(route.properties.length); // 1,634 nm

npm install searoute-ts · GitHub · npm

Related routes

Reverse direction: Singapore to Colombo · 1,634 nm

More to Singapore

Ho Chi Minh City to Singapore · 694 nm
Laem Chabang to Singapore · 789 nm
Hong Kong to Singapore · 1,429 nm
Shanghai to Singapore · 2,226 nm
Jawaharlal Nehru (Nhava Sheva) to Singapore · 2,534 nm
Busan to Singapore · 2,559 nm

All routes for Colombo and Singapore, or every route.