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OSF to DSO: distance & flight time
Moscow (Ostafyevo International Airport) → Hamhung (Sondok Airport)
4,020 mi
6,469 km · 3,493 nm
8h 21m
estimated nonstop flight time
+6h
time difference · heading northeast
See live OSF→DSO fares Phone-only fares on this route — call free
Flight time details
4,020 miles nonstop takes roughly 8h 21m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- OSF — Ostafyevo International Airport · Moscow, Russia
- DSO — Sondok Airport · Hamhung, North 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 OSF
- VKO · Vnukovo International Airport11 mi away
- DME · Domodedovo International Airport17 mi away
- BKA · Bykovo Airport23 mi away
- ZIA · Zhukovsky International Airport25 mi away
Near DSO
- WOS · Wonsan Kalma International Airport40 mi away
- FNJ · Pyongyang Sunan International Airport103 mi away
- YNY · Yangyang International Airport133 mi away
Frequently asked questions
How far is OSF from DSO?
The flight distance from Moscow (OSF) to Hamhung (DSO) is 4,020 miles (6,469 km, 3,493 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSF to DSO?
A nonstop flight takes about 8h 21m 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 Moscow and Hamhung?
Hamhung is 6 hours ahead of Moscow.
What is the cheapest way to fly from OSF to DSO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSF–DSO that never appear on search engines, with no booking fees.