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How far is Kathmandu from Colombo?

The distance between Colombo (Bandaranaike International Airport) and Kathmandu (Tribhuvan International Airport) is 1456 miles / 2343 kilometers / 1265 nautical miles.

Bandaranaike International Airport – Tribhuvan International Airport

Distance arrow
1456
Miles
Distance arrow
2343
Kilometers
Distance arrow
1265
Nautical miles
Flight time duration
3 h 15 min
CO2 emission
177 kg

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Distance from Colombo to Kathmandu

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

Vincenty's formula (applied above)
  • 1455.918 miles
  • 2343.072 kilometers
  • 1265.158 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
  • 1462.109 miles
  • 2353.036 kilometers
  • 1270.538 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 Kathmandu?

The estimated flight time from Bandaranaike International Airport to Tribhuvan International Airport is 3 hours and 15 minutes.

Flight carbon footprint between Bandaranaike International Airport (CMB) and Tribhuvan International Airport (KTM)

On average, flying from Colombo to Kathmandu generates about 177 kg of CO2 per passenger, and 177 kilograms equals 390 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Colombo to Kathmandu

See the map of the shortest flight path between Bandaranaike International Airport (CMB) and Tribhuvan International Airport (KTM).

Airport information

Origin Bandaranaike International Airport
City: Colombo
Country: Sri Lanka Flag of Sri Lanka
IATA Code: CMB
ICAO Code: VCBI
Coordinates: 7°10′50″N, 79°53′2″E
Destination Tribhuvan International Airport
City: Kathmandu
Country: Nepal Flag of Nepal
IATA Code: KTM
ICAO Code: VNKT
Coordinates: 27°41′47″N, 85°21′32″E