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How far is Colombo from Singapore?

The distance between Singapore (Singapore Changi Airport) and Colombo (Ratmalana Airport) is 1705 miles / 2743 kilometers / 1481 nautical miles.

Singapore Changi Airport – Ratmalana Airport

Distance arrow
1705
Miles
Distance arrow
2743
Kilometers
Distance arrow
1481
Nautical miles
Flight time duration
3 h 43 min
Time Difference
2 h 30 min
CO2 emission
193 kg

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Distance from Singapore to Colombo

There are several ways to calculate the distance from Singapore to Colombo. Here are two standard methods:

Vincenty's formula (applied above)
  • 1704.621 miles
  • 2743.321 kilometers
  • 1481.275 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula
  • 1703.239 miles
  • 2741.098 kilometers
  • 1480.074 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

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

The estimated flight time from Singapore Changi Airport to Ratmalana Airport is 3 hours and 43 minutes.

Flight carbon footprint between Singapore Changi Airport (SIN) and Ratmalana Airport (RML)

On average, flying from Singapore to Colombo generates about 193 kg of CO2 per passenger, and 193 kilograms equals 425 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Singapore to Colombo

See the map of the shortest flight path between Singapore Changi Airport (SIN) and Ratmalana Airport (RML).

Airport information

Origin Singapore Changi Airport
City: Singapore
Country: Singapore Flag of Singapore
IATA Code: SIN
ICAO Code: WSSS
Coordinates: 1°21′0″N, 103°59′38″E
Destination Ratmalana Airport
City: Colombo
Country: Sri Lanka Flag of Sri Lanka
IATA Code: RML
ICAO Code: VCCC
Coordinates: 6°49′19″N, 79°53′10″E