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YSM to BIR: distance & flight time
Fort Smith (Fort Smith Airport) → Biratnagar (Biratnagar Airport)
6,361 mi
10,237 km · 5,528 nm
12h 56m
estimated nonstop flight time
+11.8h
time difference · heading north
See live YSM→BIR fares Phone-only fares on this route — call free
Flight time details
6,361 miles nonstop takes roughly 12h 56m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11.8-hour time gain when reading arrival times on your ticket.
The two airports
- YSM — Fort Smith Airport · Fort Smith, Canada
- 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 YSM
- YPY · Fort Chipewyan Airport92 mi away
- YFR · Fort Resolution Airport99 mi away
- YBE · Uranium City Airport125 mi away
- YHY · Hay River / Merlyn Carter Airport142 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 YSM from BIR?
The flight distance from Fort Smith (YSM) to Biratnagar (BIR) is 6,361 miles (10,237 km, 5,528 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YSM to BIR?
A nonstop flight takes about 12h 56m 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 Fort Smith and Biratnagar?
Biratnagar is 11.8 hours ahead of Fort Smith.
What is the cheapest way to fly from YSM to BIR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YSM–BIR that never appear on search engines, with no booking fees.