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OIR to DCA: distance & flight time
Okushiri (Okushiri Airport) → Washington (Ronald Reagan Washington National Airport)
6,395 mi
10,291 km · 5,557 nm
13h
estimated nonstop flight time
-13h
time difference · heading northeast
See live OIR→DCA fares Phone-only fares on this route — call free
Flight time details
6,395 miles nonstop takes roughly 13h gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time set-back when reading arrival times on your ticket.
The two airports
- OIR — Okushiri Airport · Okushiri, Japan
- DCA — Ronald Reagan Washington National Airport · Washington, United States
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 DCA
Frequently asked questions
How far is OIR from DCA?
The flight distance from Okushiri (OIR) to Washington (DCA) is 6,395 miles (10,291 km, 5,557 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OIR to DCA?
A nonstop flight takes about 13h 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 Washington?
Washington is 13 hours behind Okushiri.
What is the cheapest way to fly from OIR to DCA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OIR–DCA that never appear on search engines, with no booking fees.