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BIR to OIR: distance & flight time
Biratnagar (Biratnagar Airport) → Okushiri (Okushiri Airport)
3,114 mi
5,011 km · 2,706 nm
6h 34m
estimated nonstop flight time
+3.3h
time difference · heading northeast
See live BIR→OIR fares Phone-only fares on this route — call free
Flight time details
3,114 miles nonstop takes roughly 6h 34m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3.3-hour time gain when reading arrival times on your ticket.
The two airports
- BIR — Biratnagar Airport · Biratnagar, Nepal
- OIR — Okushiri Airport · Okushiri, Japan
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 BIR
- RJB · Rajbiraj Airport33 mi away
- BHP · Bhojpur Airport48 mi away
- BDP · Bhadrapur Airport51 mi away
- TMI · Tumling Tar Airport58 mi away
Near OIR
- HKD · Hakodate Airport74 mi away
- AOJ · Aomori Airport113 mi away
- OKD · Okadama Airport123 mi away
- CTS · New Chitose Airport125 mi away
Frequently asked questions
How far is BIR from OIR?
The flight distance from Biratnagar (BIR) to Okushiri (OIR) is 3,114 miles (5,011 km, 2,706 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BIR to OIR?
A nonstop flight takes about 6h 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 Biratnagar and Okushiri?
Okushiri is 3.3 hours ahead of Biratnagar.
What is the cheapest way to fly from BIR to OIR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BIR–OIR that never appear on search engines, with no booking fees.