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TOP to GMP: distance & flight time
Topeka (Philip Billard Municipal Airport) → Seoul (Gimpo International Airport)
6,497 mi
10,455 km · 5,645 nm
13h 12m
estimated nonstop flight time
+14h
time difference · heading northwest
See live TOP→GMP fares Phone-only fares on this route — call free
Flight time details
6,497 miles nonstop takes roughly 13h 12m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- TOP — Philip Billard Municipal Airport · Topeka, United States
- GMP — Gimpo International Airport · Seoul, South Korea
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 TOP
- FOE · Topeka Regional Airport - Forbes Field8 mi away
- LWC · Lawrence Municipal Airport22 mi away
- FLV · Sherman Army Air Field43 mi away
- JCI · New Century Aircenter Airport43 mi away
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
Frequently asked questions
How far is TOP from GMP?
The flight distance from Topeka (TOP) to Seoul (GMP) is 6,497 miles (10,455 km, 5,645 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TOP to GMP?
A nonstop flight takes about 13h 12m 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 Topeka and Seoul?
Seoul is 14 hours ahead of Topeka.
What is the cheapest way to fly from TOP to GMP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TOP–GMP that never appear on search engines, with no booking fees.