How far is Chiang Rai from Kathmandu?
The distance between Kathmandu (Tribhuvan International Airport) and Chiang Rai (Chiang Rai International Airport) is 1062 miles / 1708 kilometers / 922 nautical miles.
The driving distance from Kathmandu (KTM) to Chiang Rai (CEI) is 1759 miles / 2831 kilometers, and travel time by car is about 35 hours 25 minutes.
Tribhuvan International Airport – Chiang Rai International Airport
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Distance from Kathmandu to Chiang Rai
There are several ways to calculate the distance from Kathmandu to Chiang Rai. Here are two standard methods:
Vincenty's formula (applied above)- 1061.502 miles
- 1708.322 kilometers
- 922.420 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- 1061.242 miles
- 1707.904 kilometers
- 922.194 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 Kathmandu to Chiang Rai?
The estimated flight time from Tribhuvan International Airport to Chiang Rai International Airport is 2 hours and 30 minutes.
What is the time difference between Kathmandu and Chiang Rai?
Flight carbon footprint between Tribhuvan International Airport (KTM) and Chiang Rai International Airport (CEI)
On average, flying from Kathmandu to Chiang Rai generates about 155 kg of CO2 per passenger, and 155 kilograms equals 341 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Kathmandu to Chiang Rai
See the map of the shortest flight path between Tribhuvan International Airport (KTM) and Chiang Rai International Airport (CEI).
Airport information
| Origin | Tribhuvan International Airport |
|---|---|
| City: | Kathmandu |
| Country: | Nepal  |
| IATA Code: | KTM |
| ICAO Code: | VNKT |
| Coordinates: | 27°41′47″N, 85°21′32″E |
| Destination | Chiang Rai International Airport |
|---|---|
| City: | Chiang Rai |
| Country: | Thailand  |
| IATA Code: | CEI |
| ICAO Code: | VTCT |
| Coordinates: | 19°57′8″N, 99°52′58″E |