Need help booking?
Unpublished phone-only deals available
GMP to TNN: distance & flight time
Seoul (Gimpo International Airport) → Tainan (Tainan Airport)
1,082 mi
1,742 km · 941 nm
2h 49m
estimated nonstop flight time
-1h
time difference · heading southwest
See live GMP→TNN fares Phone-only fares on this route — call free
Flight time details
1,082 miles nonstop takes roughly 2h 49m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- GMP — Gimpo International Airport · Seoul, South Korea
- TNN — Tainan Airport · Tainan, 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 GMP
- ICN · Incheon International Airport20 mi away
- SSN · Seoul Air Base (K-16)19 mi away
- SWU · Suwon Airport25 mi away
- OSN · Osan Air Base35 mi away
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 GMP from TNN?
The flight distance from Seoul (GMP) to Tainan (TNN) is 1,082 miles (1,742 km, 941 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GMP to TNN?
A nonstop flight takes about 2h 49m 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 Seoul and Tainan?
Tainan is 1 hour behind Seoul.
What is the cheapest way to fly from GMP to TNN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GMP–TNN that never appear on search engines, with no booking fees.