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CYI to SPF: distance & flight time
Chiayi (Chiayi Airport) → Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field)
6,977 mi
11,228 km · 6,063 nm
14h 9m
estimated nonstop flight time
-14h
time difference · heading northeast
See live CYI→SPF fares Phone-only fares on this route — call free
Flight time details
6,977 miles nonstop takes roughly 14h 9m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- CYI — Chiayi Airport · Chiayi, Taiwan
- 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 CYI
- TNN · Tainan Airport37 mi away
- MZG · Makung Airport49 mi away
- PIF · Pingtung North Airport53 mi away
- TXG · Taichung Airport53 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 CYI from SPF?
The flight distance from Chiayi (CYI) to Spearfish-South Dakota (SPF) is 6,977 miles (11,228 km, 6,063 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CYI to SPF?
A nonstop flight takes about 14h 9m 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 Chiayi and Spearfish-South Dakota?
Spearfish-South Dakota is 14 hours behind Chiayi.
What is the cheapest way to fly from CYI to SPF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CYI–SPF that never appear on search engines, with no booking fees.