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YEC to OSF: distance & flight time
Yechon (Yecheon Airbase) → Moscow (Ostafyevo International Airport)
4,213 mi
6,781 km · 3,661 nm
8h 44m
estimated nonstop flight time
-6h
time difference · heading northwest
See live YEC→OSF fares Phone-only fares on this route — call free
Flight time details
4,213 miles nonstop takes roughly 8h 44m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- YEC — Yecheon Airbase · Yechon, South Korea
- OSF — Ostafyevo International Airport · Moscow, Russia
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 YEC
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
Frequently asked questions
How far is YEC from OSF?
The flight distance from Yechon (YEC) to Moscow (OSF) is 4,213 miles (6,781 km, 3,661 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YEC to OSF?
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 Yechon and Moscow?
Moscow is 6 hours behind Yechon.
What is the cheapest way to fly from YEC to OSF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YEC–OSF that never appear on search engines, with no booking fees.