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SPF to SDS: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → Sado (Sado Airport)
5,542 mi
8,920 km · 4,816 nm
11h 20m
estimated nonstop flight time
+15h
time difference · heading northwest
See live SPF→SDS fares Phone-only fares on this route — call free
Flight time details
5,542 miles nonstop takes roughly 11h 20m 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
- SDS — Sado Airport · Sado, 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 SDS
- KIJ · Niigata Airport39 mi away
- SYO · Shonai Airport91 mi away
- NTQ · Noto Airport95 mi away
- GAJ · Yamagata Airport109 mi away
Frequently asked questions
How far is SPF from SDS?
The flight distance from Spearfish-South Dakota (SPF) to Sado (SDS) is 5,542 miles (8,920 km, 4,816 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to SDS?
A nonstop flight takes about 11h 20m 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 Sado?
Sado is 15 hours ahead of Spearfish-South Dakota.
What is the cheapest way to fly from SPF to SDS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–SDS that never appear on search engines, with no booking fees.