Air Miles Calculator logo

Distance between Kathmandu (KTM) and Biratnagar (BIR)

Flight distance from Kathmandu to Biratnagar (Tribhuvan International Airport – Biratnagar Airport) is 144 miles / 232 kilometers / 125 nautical miles. Estimated flight time is 46 minutes.

Driving distance from Kathmandu (KTM) to Biratnagar (BIR) is 249 miles / 401 kilometers and travel time by car is about 5 hours 35 minutes.

Kathmandu – Biratnagar

Distance arrow
144
Miles
Distance arrow
232
Kilometers
Distance arrow
125
Nautical miles

How far is Biratnagar from Kathmandu?

There are several ways to calculate distances between Los Angeles and Chicago. Here are two common methods:

Vincenty's formula (applied above)
  • 144.147 miles
  • 231.983 kilometers
  • 125.261 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
  • 144.146 miles
  • 231.980 kilometers
  • 125.259 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).

Flight Duration

Estimated flight time from Tribhuvan International Airport to Biratnagar Airport is 46 minutes.

Time difference

There is no time difference between Kathmandu and Biratnagar.

Carbon dioxide emissions

On average flying from Kathmandu to Biratnagar generates about 46 kg of CO2 per passenger, 46 kilograms is equal to 102 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 Biratnagar

Shortest flight path between Tribhuvan International Airport (KTM) and Biratnagar Airport (BIR).

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 Biratnagar Airport
City: Biratnagar
Country: Nepal Flag of Nepal
IATA Code: BIR
ICAO Code: VNVT
Coordinates: 26°28′53″N, 87°15′50″E