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IAD to KUH: distance & flight time
Washington (Washington Dulles International Airport) → Kushiro (Kushiro Airport)
6,202 mi
9,980 km · 5,389 nm
12h 38m
estimated nonstop flight time
+13h
time difference · heading northwest
See live IAD→KUH fares Phone-only fares on this route — call free
Flight time details
6,202 miles nonstop takes roughly 12h 38m 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
- IAD — Washington Dulles International Airport · Washington, United States
- KUH — Kushiro Airport · Kushiro, 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 IAD
Near KUH
- SHB · Nakashibetsu Airport53 mi away
- OBO · Tokachi-Obihiro Airport54 mi away
- MMB · Memanbetsu Airport58 mi away
- MBE · Monbetsu Airport96 mi away
Frequently asked questions
How far is IAD from KUH?
The flight distance from Washington (IAD) to Kushiro (KUH) is 6,202 miles (9,980 km, 5,389 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to KUH?
A nonstop flight takes about 12h 38m 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 Kushiro?
Kushiro is 13 hours ahead of Washington.
What is the cheapest way to fly from IAD to KUH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–KUH that never appear on search engines, with no booking fees.