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SPF to OKO: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → Yokota (Yokota Air Base)
5,632 mi
9,063 km · 4,894 nm
11h 31m
estimated nonstop flight time
+15h
time difference · heading northwest
See live SPF→OKO fares Phone-only fares on this route — call free
Flight time details
5,632 miles nonstop takes roughly 11h 31m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time gain when reading arrival times on your ticket.
The two airports
- SPF — Black Hills Airport-Clyde Ice Field · Spearfish-South Dakota, United States
- OKO — Yokota Air Base · Yokota, 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 SPF
- RCA · Ellsworth Air Force Base41 mi away
- RAP · Rapid City Regional Airport47 mi away
- GCC · Gillette Campbell County Airport87 mi away
- CDR · Chadron Municipal Airport119 mi away
Near OKO
- HND · Tokyo Haneda International Airport28 mi away
- NRT · Narita International Airport58 mi away
- NJA · Atsugi Naval Air Facility21 mi away
- IBR · Hyakuri Airport67 mi away
Frequently asked questions
How far is SPF from OKO?
The flight distance from Spearfish-South Dakota (SPF) to Yokota (OKO) is 5,632 miles (9,063 km, 4,894 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to OKO?
A nonstop flight takes about 11h 31m 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 Spearfish-South Dakota and Yokota?
Yokota is 15 hours ahead of Spearfish-South Dakota.
What is the cheapest way to fly from SPF to OKO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–OKO that never appear on search engines, with no booking fees.