How far is Kathmandu from Siem Reap?
The distance between Siem Reap (Siem Reap–Angkor International Airport) and Kathmandu (Tribhuvan International Airport) is 1566 miles / 2521 kilometers / 1361 nautical miles.
The driving distance from Siem Reap (SAI) to Kathmandu (KTM) is 2273 miles / 3658 kilometers, and travel time by car is about 44 hours 28 minutes.
Siem Reap–Angkor International Airport – Tribhuvan International Airport
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Distance from Siem Reap to Kathmandu
There are several ways to calculate the distance from Siem Reap to Kathmandu. Here are two standard methods:
Vincenty's formula (applied above)- 1566.246 miles
- 2520.629 kilometers
- 1361.031 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- 1567.485 miles
- 2522.623 kilometers
- 1362.108 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 Siem Reap to Kathmandu?
The estimated flight time from Siem Reap–Angkor International Airport to Tribhuvan International Airport is 3 hours and 27 minutes.
What is the time difference between Siem Reap and Kathmandu?
Flight carbon footprint between Siem Reap–Angkor International Airport (SAI) and Tribhuvan International Airport (KTM)
On average, flying from Siem Reap to Kathmandu generates about 184 kg of CO2 per passenger, and 184 kilograms equals 405 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Siem Reap to Kathmandu
See the map of the shortest flight path between Siem Reap–Angkor International Airport (SAI) and Tribhuvan International Airport (KTM).
Airport information
| Origin | Siem Reap–Angkor International Airport |
|---|---|
| City: | Siem Reap |
| Country: | Cambodia  |
| IATA Code: | SAI |
| ICAO Code: | VDSA |
| Coordinates: | 13°22′9″N, 104°13′23″E |
| Destination | Tribhuvan International Airport |
|---|---|
| City: | Kathmandu |
| Country: | Nepal  |
| IATA Code: | KTM |
| ICAO Code: | VNKT |
| Coordinates: | 27°41′47″N, 85°21′32″E |