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How far is Vientiane from Colombo?

The distance between Colombo (Ratmalana Airport) and Vientiane (Wattay International Airport) is 1711 miles / 2753 kilometers / 1487 nautical miles.

The driving distance from Colombo (RML) to Vientiane (VTE) is 3419 miles / 5502 kilometers, and travel time by car is about 73 hours 4 minutes.

Ratmalana Airport – Wattay International Airport

Distance arrow
1711
Miles
Distance arrow
2753
Kilometers
Distance arrow
1487
Nautical miles
Flight time duration
3 h 44 min
Time Difference
1 h 30 min
CO2 emission
193 kg

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Distance from Colombo to Vientiane

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

Vincenty's formula (applied above)
  • 1710.803 miles
  • 2753.271 kilometers
  • 1486.647 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
  • 1710.822 miles
  • 2753.302 kilometers
  • 1486.664 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 Vientiane?

The estimated flight time from Ratmalana Airport to Wattay International Airport is 3 hours and 44 minutes.

Flight carbon footprint between Ratmalana Airport (RML) and Wattay International Airport (VTE)

On average, flying from Colombo to Vientiane generates about 193 kg of CO2 per passenger, and 193 kilograms equals 426 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Colombo to Vientiane

See the map of the shortest flight path between Ratmalana Airport (RML) and Wattay International Airport (VTE).

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 Wattay International Airport
City: Vientiane
Country: Laos Flag of Laos
IATA Code: VTE
ICAO Code: VLVT
Coordinates: 17°59′17″N, 102°33′46″E