Air Miles Calculator logo

How far is Hat Yai from Kathmandu?

The distance between Kathmandu (Tribhuvan International Airport) and Hat Yai (Hat Yai International Airport) is 1735 miles / 2793 kilometers / 1508 nautical miles.

The driving distance from Kathmandu (KTM) to Hat Yai (HDY) is 2516 miles / 4049 kilometers, and travel time by car is about 49 hours 20 minutes.

Tribhuvan International Airport – Hat Yai International Airport

Distance arrow
1735
Miles
Distance arrow
2793
Kilometers
Distance arrow
1508
Nautical miles
Flight time duration
3 h 47 min
Time Difference
1 h 15 min
CO2 emission
195 kg

Search flights

Distance from Kathmandu to Hat Yai

There are several ways to calculate the distance from Kathmandu to Hat Yai. 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 Kathmandu to Hat Yai?

The estimated flight time from Tribhuvan International Airport to Hat Yai International Airport is 3 hours and 47 minutes.

Flight carbon footprint between Tribhuvan International Airport (KTM) and Hat Yai International Airport (HDY)

On average, flying from Kathmandu to Hat Yai 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 Kathmandu to Hat Yai

See the map of the shortest flight path between Tribhuvan International Airport (KTM) and Hat Yai International Airport (HDY).

Airport information

Origin Tribhuvan International Airport
City: Kathmandu
Country: Nepal Flag of Nepal
IATA Code: KTM
ICAO Code: VNKT
Coordinates: 27°41′47″N, 85°21′32″E
Destination Hat Yai International Airport
City: Hat Yai
Country: Thailand Flag of Thailand
IATA Code: HDY
ICAO Code: VTSS
Coordinates: 6°55′59″N, 100°23′34″E