Air Miles Calculator logo

How far is Bangkok from Kathmandu?

The distance between Kathmandu (Tribhuvan International Airport) and Bangkok (Suvarnabhumi Airport) is 1384 miles / 2227 kilometers / 1202 nautical miles.

The driving distance from Kathmandu (KTM) to Bangkok (BKK) is 2047 miles / 3295 kilometers, and travel time by car is about 39 hours 49 minutes.

Tribhuvan International Airport – Suvarnabhumi Airport

Distance arrow
1384
Miles
Distance arrow
2227
Kilometers
Distance arrow
1202
Nautical miles
Flight time duration
3 h 7 min
Time Difference
1 h 15 min
CO2 emission
172 kg

Search flights

Distance from Kathmandu to Bangkok

There are several ways to calculate the distance from Kathmandu to Bangkok. Here are two standard methods:

Vincenty's formula (applied above)
  • 1383.561 miles
  • 2226.626 kilometers
  • 1202.282 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
  • 1385.370 miles
  • 2229.536 kilometers
  • 1203.853 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 Bangkok?

The estimated flight time from Tribhuvan International Airport to Suvarnabhumi Airport is 3 hours and 7 minutes.

Flight carbon footprint between Tribhuvan International Airport (KTM) and Suvarnabhumi Airport (BKK)

On average, flying from Kathmandu to Bangkok generates about 172 kg of CO2 per passenger, and 172 kilograms equals 380 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 Bangkok

See the map of the shortest flight path between Tribhuvan International Airport (KTM) and Suvarnabhumi Airport (BKK).

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 Suvarnabhumi Airport
City: Bangkok
Country: Thailand Flag of Thailand
IATA Code: BKK
ICAO Code: VTBS
Coordinates: 13°40′51″N, 100°44′49″E

Airlines flying from Kathmandu (KTM) to Bangkok (BKK)

Nepal Airlines
Thai Airways International