Need help booking?
Unpublished phone-only deals available
KUH to IAD: distance & flight time
Kushiro (Kushiro Airport) → Washington (Washington Dulles International Airport)
6,202 mi
9,980 km · 5,389 nm
12h 38m
estimated nonstop flight time
-13h
time difference · heading northeast
See live KUH→IAD fares Phone-only fares on this route — call free
Flight time details
6,202 miles nonstop takes roughly 12h 38m 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
- KUH — Kushiro Airport · Kushiro, Japan
- IAD — Washington Dulles International 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 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 KUH from IAD?
The flight distance from Kushiro (KUH) to Washington (IAD) 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 KUH to IAD?
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 Kushiro and Washington?
Washington is 13 hours behind Kushiro.
What is the cheapest way to fly from KUH to IAD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KUH–IAD that never appear on search engines, with no booking fees.