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Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DCA–OIR that never appear on search engines, with no booking fees.