How far is Kathmandu from Colombo?
The distance between Colombo (Ratmalana Airport) and Kathmandu (Tribhuvan International Airport) is 1480 miles / 2382 kilometers / 1286 nautical miles.
Ratmalana Airport – Tribhuvan International Airport
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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)- 1479.856 miles
- 2381.598 kilometers
- 1285.960 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- 1486.187 miles
- 2391.785 kilometers
- 1291.461 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 Ratmalana Airport to Tribhuvan International Airport is 3 hours and 18 minutes.
What is the time difference between Colombo and Kathmandu?
Flight carbon footprint between Ratmalana Airport (RML) and Tribhuvan International Airport (KTM)
On average, flying from Colombo to Kathmandu generates about 178 kg of CO2 per passenger, and 178 kilograms equals 393 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 Ratmalana Airport (RML) and Tribhuvan International Airport (KTM).
Airport information
| Origin | Ratmalana Airport |
|---|---|
| City: | Colombo |
| Country: | Sri Lanka  |
| IATA Code: | RML |
| ICAO Code: | VCCC |
| Coordinates: | 6°49′19″N, 79°53′10″E |
| Destination | Tribhuvan International Airport |
|---|---|
| City: | Kathmandu |
| Country: | Nepal  |
| IATA Code: | KTM |
| ICAO Code: | VNKT |
| Coordinates: | 27°41′47″N, 85°21′32″E |