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GAJ to SPF: distance & flight time
Yamagata (Yamagata Airport) → Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field)
5,455 mi
8,779 km · 4,740 nm
11h 10m
estimated nonstop flight time
-15h
time difference · heading northeast
See live GAJ→SPF fares Phone-only fares on this route — call free
Flight time details
5,455 miles nonstop takes roughly 11h 10m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time set-back when reading arrival times on your ticket.
The two airports
- GAJ — Yamagata Airport · Yamagata, Japan
- SPF — Black Hills Airport-Clyde Ice Field · Spearfish-South Dakota, 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 GAJ
- SDJ · Sendai Airport35 mi away
- SYO · Shonai Airport42 mi away
- KIJ · Niigata Airport75 mi away
- HNA · Hanamaki Airport81 mi away
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
Frequently asked questions
How far is GAJ from SPF?
The flight distance from Yamagata (GAJ) to Spearfish-South Dakota (SPF) is 5,455 miles (8,779 km, 4,740 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAJ to SPF?
A nonstop flight takes about 11h 10m 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 Yamagata and Spearfish-South Dakota?
Spearfish-South Dakota is 15 hours behind Yamagata.
What is the cheapest way to fly from GAJ to SPF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAJ–SPF that never appear on search engines, with no booking fees.