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SXI to GMP: distance & flight time
Siri Island (Sirri Island Airport) → Seoul (Gimpo International Airport)
4,220 mi
6,791 km · 3,667 nm
8h 44m
estimated nonstop flight time
+5.5h
time difference · heading northeast
See live SXI→GMP fares Phone-only fares on this route — call free
Flight time details
4,220 miles nonstop takes roughly 8h 44m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5.5-hour time gain when reading arrival times on your ticket.
The two airports
- SXI — Sirri Island Airport · Siri Island, Iran
- 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 SXI
- DXB · Dubai International Airport69 mi away
- AEU · Abu Musa Island Airport31 mi away
- BDH · Bandar Lengeh Airport47 mi away
- KIH · Kish International Airport55 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 SXI from GMP?
The flight distance from Siri Island (SXI) to Seoul (GMP) is 4,220 miles (6,791 km, 3,667 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SXI to GMP?
A nonstop flight takes about 8h 44m 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 Siri Island and Seoul?
Seoul is 5.5 hours ahead of Siri Island.
What is the cheapest way to fly from SXI to GMP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SXI–GMP that never appear on search engines, with no booking fees.