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SPF to IBR: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → Ibaraki (Hyakuri Airport)
5,570 mi
8,965 km · 4,841 nm
11h 23m
estimated nonstop flight time
+15h
time difference · heading northwest
See live SPF→IBR fares Phone-only fares on this route — call free
Flight time details
5,570 miles nonstop takes roughly 11h 23m 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
- IBR — Hyakuri Airport · Ibaraki, 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 IBR
- NRT · Narita International Airport29 mi away
- HND · Tokyo Haneda International Airport56 mi away
- OKO · Yokota Air Base67 mi away
- FKS · Fukushima Airport72 mi away
Frequently asked questions
How far is SPF from IBR?
The flight distance from Spearfish-South Dakota (SPF) to Ibaraki (IBR) is 5,570 miles (8,965 km, 4,841 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to IBR?
A nonstop flight takes about 11h 23m 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 Ibaraki?
Ibaraki is 15 hours ahead of Spearfish-South Dakota.
What is the cheapest way to fly from SPF to IBR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–IBR that never appear on search engines, with no booking fees.