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DSO to GMP: distance & flight time
Hamhung (Sondok Airport) → Seoul (Gimpo International Airport)
156 mi
250 km · 135 nm
53m
estimated nonstop flight time
Same time
time difference · heading south
See live DSO→GMP fares Phone-only fares on this route — call free
Flight time details
156 miles nonstop takes roughly 53m gate to gate, flying south. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- DSO — Sondok Airport · Hamhung, North Korea
- 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 DSO
- WOS · Wonsan Kalma International Airport40 mi away
- FNJ · Pyongyang Sunan International Airport103 mi away
- YNY · Yangyang International Airport133 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 DSO from GMP?
The flight distance from Hamhung (DSO) to Seoul (GMP) is 156 miles (250 km, 135 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DSO to GMP?
A nonstop flight takes about 53m 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 cheapest way to fly from DSO to GMP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DSO–GMP that never appear on search engines, with no booking fees.