How far is Kathmandu from Udon Thani?
The distance between Udon Thani (Udon Thani International Airport) and Kathmandu (Tribhuvan International Airport) is 1318 miles / 2122 kilometers / 1146 nautical miles.
The driving distance from Udon Thani (UTH) to Kathmandu (KTM) is 2143 miles / 3449 kilometers, and travel time by car is about 41 hours 53 minutes.
Udon Thani International Airport – Tribhuvan International Airport
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Distance from Udon Thani to Kathmandu
There are several ways to calculate the distance from Udon Thani to Kathmandu. Here are two standard methods:
Vincenty's formula (applied above)- 1318.273 miles
- 2121.555 kilometers
- 1145.548 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- 1318.337 miles
- 2121.658 kilometers
- 1145.604 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 Udon Thani to Kathmandu?
The estimated flight time from Udon Thani International Airport to Tribhuvan International Airport is 2 hours and 59 minutes.
What is the time difference between Udon Thani and Kathmandu?
Flight carbon footprint between Udon Thani International Airport (UTH) and Tribhuvan International Airport (KTM)
On average, flying from Udon Thani to Kathmandu generates about 168 kg of CO2 per passenger, and 168 kilograms equals 370 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Udon Thani to Kathmandu
See the map of the shortest flight path between Udon Thani International Airport (UTH) and Tribhuvan International Airport (KTM).
Airport information
| Origin | Udon Thani International Airport |
|---|---|
| City: | Udon Thani |
| Country: | Thailand  |
| IATA Code: | UTH |
| ICAO Code: | VTUD |
| Coordinates: | 17°23′11″N, 102°47′16″E |
| Destination | Tribhuvan International Airport |
|---|---|
| City: | Kathmandu |
| Country: | Nepal  |
| IATA Code: | KTM |
| ICAO Code: | VNKT |
| Coordinates: | 27°41′47″N, 85°21′32″E |