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TNN to DEC: distance & flight time
Tainan (Tainan Airport) → Decatur (Decatur Airport)
7,711 mi
12,410 km · 6,701 nm
15h 35m
estimated nonstop flight time
-13h
time difference · heading northeast
See live TNN→DEC fares Phone-only fares on this route — call free
Flight time details
7,711 miles nonstop takes roughly 15h 35m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time set-back when reading arrival times on your ticket.
The two airports
- TNN — Tainan Airport · Tainan, Taiwan
- DEC — Decatur Airport · Decatur, 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 TNN
- PIF · Pingtung North Airport25 mi away
- KHH · Kaohsiung International Airport27 mi away
- CYI · Chiayi Airport37 mi away
- WOT · Wang-an Airport53 mi away
Frequently asked questions
How far is TNN from DEC?
The flight distance from Tainan (TNN) to Decatur (DEC) is 7,711 miles (12,410 km, 6,701 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TNN to DEC?
A nonstop flight takes about 15h 35m 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 Tainan and Decatur?
Decatur is 13 hours behind Tainan.
What is the cheapest way to fly from TNN to DEC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TNN–DEC that never appear on search engines, with no booking fees.