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SEM to CYI: distance & flight time
Selma (Craig Field) → Chiayi (Chiayi Airport)
8,179 mi
13,162 km · 7,107 nm
16h 30m
estimated nonstop flight time
+13h
time difference · heading northwest
See live SEM→CYI fares Phone-only fares on this route — call free
Flight time details
8,179 miles nonstop takes roughly 16h 30m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- SEM — Craig Field · Selma, United States
- CYI — Chiayi Airport · Chiayi, Taiwan
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 SEM
Near CYI
- TNN · Tainan Airport37 mi away
- MZG · Makung Airport49 mi away
- PIF · Pingtung North Airport53 mi away
- TXG · Taichung Airport53 mi away
Frequently asked questions
How far is SEM from CYI?
The flight distance from Selma (SEM) to Chiayi (CYI) is 8,179 miles (13,162 km, 7,107 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SEM to CYI?
A nonstop flight takes about 16h 30m 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 Selma and Chiayi?
Chiayi is 13 hours ahead of Selma.
What is the cheapest way to fly from SEM to CYI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEM–CYI that never appear on search engines, with no booking fees.