Air Miles Calculator logo

How far is Hanoi from Kathmandu?

The distance between Kathmandu (Tribhuvan International Airport) and Hanoi (Noi Bai International Airport) is 1361 miles / 2190 kilometers / 1183 nautical miles.

The driving distance from Kathmandu (KTM) to Hanoi (HAN) is 2116 miles / 3405 kilometers, and travel time by car is about 42 hours 32 minutes.

Tribhuvan International Airport – Noi Bai International Airport

Distance arrow
1361
Miles
Distance arrow
2190
Kilometers
Distance arrow
1183
Nautical miles
Flight time duration
3 h 4 min
Time Difference
1 h 15 min
CO2 emission
171 kg

Search flights

Distance from Kathmandu to Hanoi

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

Vincenty's formula (applied above)
  • 1360.950 miles
  • 2190.237 kilometers
  • 1182.634 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
  • 1359.462 miles
  • 2187.843 kilometers
  • 1181.341 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 Hanoi?

The estimated flight time from Tribhuvan International Airport to Noi Bai International Airport is 3 hours and 4 minutes.

Flight carbon footprint between Tribhuvan International Airport (KTM) and Noi Bai International Airport (HAN)

On average, flying from Kathmandu to Hanoi generates about 171 kg of CO2 per passenger, and 171 kilograms equals 376 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 Hanoi

See the map of the shortest flight path between Tribhuvan International Airport (KTM) and Noi Bai International Airport (HAN).

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 Noi Bai International Airport
City: Hanoi
Country: Vietnam Flag of Vietnam
IATA Code: HAN
ICAO Code: VVNB
Coordinates: 21°13′16″N, 105°48′25″E