New calculation
Flight distance & time
Biratnagar Airport → Tribhuvan International Airport
BIRKTM
- Distance
- 231 km · 143 mi
- Flight time
- 01h 02m
- CO₂ per passenger
- 20 kg
This Biratnagar Airport → Tribhuvan International Airport route is 231 km (143 mi) end to end. The estimated flight time is 01h 02m, and a passenger's share of CO₂ works out at roughly 20 kg.
See the reverse route: Tribhuvan International Airport → Biratnagar Airport
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Your route
- FromBIRBiratnagar AirportBiratnagar, Eastern-Region
- ToKTMTribhuvan International AirportKathmandu, Central-Region
Flight map
Track your lifetime distance flown across every trip.
Route service
Average daily flights~13 flights/day
Airlines on this route
Shree AirlinesYeti Airlines
Common questions
Biratnagar Airport to Tribhuvan International Airport FAQ
How far is Biratnagar Airport from Tribhuvan International Airport?
Biratnagar Airport (BIR) and Tribhuvan International Airport (KTM) are 231 km (143 mi) apart, measured along the great-circle route.
How long is the flight from Biratnagar Airport to Tribhuvan International Airport?
A direct BIR–KTM flight covers the distance in about 01h 02m, though the exact time shifts with aircraft type and winds.
How much CO₂ does a flight from Biratnagar Airport to Tribhuvan International Airport produce?
A passenger's share of CO₂ on the BIR–KTM route is roughly 20 kg.
Which airlines fly from Biratnagar Airport to Tribhuvan International Airport?
Shree Airlines, Yeti Airlines operate scheduled service between BIR and KTM.
Flight distance and time are estimates for ideal conditions — actual figures vary with aircraft type, routing and weather.
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