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SPF to AGJ: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → Aguni (Aguni Airport)
6,566 mi
10,567 km · 5,706 nm
13h 20m
estimated nonstop flight time
+15h
time difference · heading northwest
See live SPF→AGJ fares Phone-only fares on this route — call free
Flight time details
6,566 miles nonstop takes roughly 13h 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
- AGJ — Aguni Airport · Aguni, 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 AGJ
- KJP · Kerama Airport29 mi away
- IEJ · Ie Jima Airport35 mi away
- DNA · Kadena Air Base36 mi away
- UEO · Kumejima Airport36 mi away
Frequently asked questions
How far is SPF from AGJ?
The flight distance from Spearfish-South Dakota (SPF) to Aguni (AGJ) is 6,566 miles (10,567 km, 5,706 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to AGJ?
A nonstop flight takes about 13h 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 Aguni?
Aguni is 15 hours ahead of Spearfish-South Dakota.
What is the cheapest way to fly from SPF to AGJ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–AGJ that never appear on search engines, with no booking fees.