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ZIN to BIR: distance & flight time
Interlaken (Interlaken Air Base) → Biratnagar (Biratnagar Airport)
4,426 mi
7,122 km · 3,846 nm
9h 9m
estimated nonstop flight time
+3.8h
time difference · heading east
See live ZIN→BIR fares Phone-only fares on this route — call free
Flight time details
4,426 miles nonstop takes roughly 9h 9m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3.8-hour time gain when reading arrival times on your ticket.
The two airports
- ZIN — Interlaken Air Base · Interlaken, Switzerland
- BIR — Biratnagar Airport · Biratnagar, Nepal
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near ZIN
- BRN · Bern Belp Airport24 mi away
- BXO · Buochs Airport32 mi away
- EML · Emmen Air Base35 mi away
- SIR · Sion Airport41 mi away
Near BIR
- RJB · Rajbiraj Airport33 mi away
- BHP · Bhojpur Airport48 mi away
- BDP · Bhadrapur Airport51 mi away
- TMI · Tumling Tar Airport58 mi away
Frequently asked questions
How far is ZIN from BIR?
The flight distance from Interlaken (ZIN) to Biratnagar (BIR) is 4,426 miles (7,122 km, 3,846 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ZIN to BIR?
A nonstop flight takes about 9h 9m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Interlaken and Biratnagar?
Biratnagar is 3.8 hours ahead of Interlaken.
What is the cheapest way to fly from ZIN to BIR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ZIN–BIR that never appear on search engines, with no booking fees.