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ISN to OKD: distance & flight time
Williston (Sloulin Field International Airport) → Sapporo (Okadama Airport)
4,996 mi
8,041 km · 4,342 nm
10h 16m
estimated nonstop flight time
+14h
time difference · heading northwest
See live ISN→OKD fares Phone-only fares on this route — call free
Flight time details
4,996 miles nonstop takes roughly 10h 16m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- ISN — Sloulin Field International Airport · Williston, United States
- OKD — Okadama Airport · Sapporo, 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 ISN
- SDY · Sidney - Richland Regional Airport41 mi away
- YEN · Estevan Airport78 mi away
- OLF · L M Clayton Airport89 mi away
- GDV · Dawson Community Airport90 mi away
Near OKD
- CTS · New Chitose Airport28 mi away
- AKJ · Asahikawa Airport66 mi away
- OBO · Tokachi-Obihiro Airport97 mi away
- HKD · Hakodate Airport97 mi away
Frequently asked questions
How far is ISN from OKD?
The flight distance from Williston (ISN) to Sapporo (OKD) is 4,996 miles (8,041 km, 4,342 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISN to OKD?
A nonstop flight takes about 10h 16m 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 Williston and Sapporo?
Sapporo is 14 hours ahead of Williston.
What is the cheapest way to fly from ISN to OKD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISN–OKD that never appear on search engines, with no booking fees.