How far is Kathmandu from Hat Yai?
The distance between Hat Yai (Hat Yai International Airport) and Kathmandu (Tribhuvan International Airport) is 1735 miles / 2793 kilometers / 1508 nautical miles.
The driving distance from Hat Yai (HDY) to Kathmandu (KTM) is 2515 miles / 4047 kilometers, and travel time by car is about 49 hours 18 minutes.
Hat Yai International Airport – Tribhuvan International Airport
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Distance from Hat Yai to Kathmandu
There are several ways to calculate the distance from Hat Yai to Kathmandu. Here are two standard methods:
Vincenty's formula (applied above)- 1735.198 miles
- 2792.531 kilometers
- 1507.846 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- 1739.841 miles
- 2800.002 kilometers
- 1511.880 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 Hat Yai to Kathmandu?
The estimated flight time from Hat Yai International Airport to Tribhuvan International Airport is 3 hours and 47 minutes.
What is the time difference between Hat Yai and Kathmandu?
Flight carbon footprint between Hat Yai International Airport (HDY) and Tribhuvan International Airport (KTM)
On average, flying from Hat Yai to Kathmandu generates about 195 kg of CO2 per passenger, and 195 kilograms equals 430 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Hat Yai to Kathmandu
See the map of the shortest flight path between Hat Yai International Airport (HDY) and Tribhuvan International Airport (KTM).
Airport information
| Origin | Hat Yai International Airport |
|---|---|
| City: | Hat Yai |
| Country: | Thailand  |
| IATA Code: | HDY |
| ICAO Code: | VTSS |
| Coordinates: | 6°55′59″N, 100°23′34″E |
| Destination | Tribhuvan International Airport |
|---|---|
| City: | Kathmandu |
| Country: | Nepal  |
| IATA Code: | KTM |
| ICAO Code: | VNKT |
| Coordinates: | 27°41′47″N, 85°21′32″E |