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OIR to ADP: distance & flight time
Okushiri (Okushiri Airport) → Galoya (Ampara Airport)
4,246 mi
6,834 km · 3,690 nm
8h 48m
estimated nonstop flight time
-3.5h
time difference · heading west
See live OIR→ADP fares Phone-only fares on this route — call free
Flight time details
4,246 miles nonstop takes roughly 8h 48m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3.5-hour time set-back when reading arrival times on your ticket.
The two airports
- OIR — Okushiri Airport · Okushiri, Japan
- ADP — Ampara Airport · Galoya, Sri Lanka
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 OIR
- HKD · Hakodate Airport74 mi away
- AOJ · Aomori Airport113 mi away
- OKD · Okadama Airport123 mi away
- CTS · New Chitose Airport125 mi away
Near ADP
- BTC · Batticaloa Airport26 mi away
- HIM · Hingurakgoda Air Force Base66 mi away
- GIU · Sigiriya Air Force Base75 mi away
- WRZ · Weerawila Airport80 mi away
Frequently asked questions
How far is OIR from ADP?
The flight distance from Okushiri (OIR) to Galoya (ADP) is 4,246 miles (6,834 km, 3,690 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OIR to ADP?
A nonstop flight takes about 8h 48m 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 Okushiri and Galoya?
Galoya is 3.5 hours behind Okushiri.
What is the cheapest way to fly from OIR to ADP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OIR–ADP that never appear on search engines, with no booking fees.