Air Miles Calculator logo

How far is Kolkata from Colombo?

The distance between Colombo (Ratmalana Airport) and Kolkata (Netaji Subhas Chandra Bose International Airport) is 1229 miles / 1978 kilometers / 1068 nautical miles.

Ratmalana Airport – Netaji Subhas Chandra Bose International Airport

Distance arrow
1229
Miles
Distance arrow
1978
Kilometers
Distance arrow
1068
Nautical miles

Search flights

Distance from Colombo to Kolkata

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

Vincenty's formula (applied above)
  • 1229.048 miles
  • 1977.961 kilometers
  • 1068.014 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
  • 1233.424 miles
  • 1985.004 kilometers
  • 1071.816 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 Kolkata?

The estimated flight time from Ratmalana Airport to Netaji Subhas Chandra Bose International Airport is 2 hours and 49 minutes.

What is the time difference between Colombo and Kolkata?

There is no time difference between Colombo and Kolkata.

Flight carbon footprint between Ratmalana Airport (RML) and Netaji Subhas Chandra Bose International Airport (CCU)

On average, flying from Colombo to Kolkata generates about 163 kg of CO2 per passenger, and 163 kilograms equals 358 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Colombo to Kolkata

See the map of the shortest flight path between Ratmalana Airport (RML) and Netaji Subhas Chandra Bose International Airport (CCU).

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 Netaji Subhas Chandra Bose International Airport
City: Kolkata
Country: India Flag of India
IATA Code: CCU
ICAO Code: VECC
Coordinates: 22°39′16″N, 88°26′48″E