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ROI to GMP: distance & flight time
Roi Et (Roi Et Airport) → Seoul (Gimpo International Airport)
2,040 mi
3,283 km · 1,773 nm
4h 28m
estimated nonstop flight time
+2h
time difference · heading northeast
See live ROI→GMP fares Phone-only fares on this route — call free
Flight time details
2,040 miles nonstop takes roughly 4h 28m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- ROI — Roi Et Airport · Roi Et, Thailand
- 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 ROI
- KKC · Khon Kaen Airport70 mi away
- BFV · Buri Ram Airport70 mi away
- ZVK · Savannakhet Airport72 mi away
- SNO · Sakon Nakhon Airport78 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 ROI from GMP?
The flight distance from Roi Et (ROI) to Seoul (GMP) is 2,040 miles (3,283 km, 1,773 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ROI to GMP?
A nonstop flight takes about 4h 28m 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 Roi Et and Seoul?
Seoul is 2 hours ahead of Roi Et.
What is the cheapest way to fly from ROI to GMP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ROI–GMP that never appear on search engines, with no booking fees.