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How far is Hanoi from Colombo?

The distance between Colombo (Ratmalana Airport) and Hanoi (Noi Bai International Airport) is 1996 miles / 3213 kilometers / 1735 nautical miles.

Ratmalana Airport – Noi Bai International Airport

Distance arrow
1996
Miles
Distance arrow
3213
Kilometers
Distance arrow
1735
Nautical miles
Flight time duration
4 h 16 min
Time Difference
1 h 30 min
CO2 emission
217 kg

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Distance from Colombo to Hanoi

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

Vincenty's formula (applied above)
  • 1996.291 miles
  • 3212.720 kilometers
  • 1734.730 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
  • 1996.743 miles
  • 3213.447 kilometers
  • 1735.122 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 Colombo to Hanoi?

The estimated flight time from Ratmalana Airport to Noi Bai International Airport is 4 hours and 16 minutes.

Flight carbon footprint between Ratmalana Airport (RML) and Noi Bai International Airport (HAN)

On average, flying from Colombo to Hanoi generates about 217 kg of CO2 per passenger, and 217 kilograms equals 479 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Colombo to Hanoi

See the map of the shortest flight path between Ratmalana Airport (RML) and Noi Bai International Airport (HAN).

Airport information

Origin 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
Destination Noi Bai International Airport
City: Hanoi
Country: Vietnam Flag of Vietnam
IATA Code: HAN
ICAO Code: VVNB
Coordinates: 21°13′16″N, 105°48′25″E