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DUC to BIR: distance & flight time
Duncan (Halliburton Field) → Biratnagar (Biratnagar Airport)
8,212 mi
13,215 km · 7,136 nm
16h 34m
estimated nonstop flight time
+10.8h
time difference · heading north
See live DUC→BIR fares Phone-only fares on this route — call free
Flight time details
8,212 miles nonstop takes roughly 16h 34m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10.8-hour time gain when reading arrival times on your ticket.
The two airports
- DUC — Halliburton Field · Duncan, United States
- 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 DUC
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 DUC from BIR?
The flight distance from Duncan (DUC) to Biratnagar (BIR) is 8,212 miles (13,215 km, 7,136 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DUC to BIR?
A nonstop flight takes about 16h 34m 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 Duncan and Biratnagar?
Biratnagar is 10.8 hours ahead of Duncan.
What is the cheapest way to fly from DUC to BIR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DUC–BIR that never appear on search engines, with no booking fees.