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CSY to OSN: distance & flight time
Cheboksary (Cheboksary Airport) → Osan (Osan Air Base)
3,768 mi
6,064 km · 3,274 nm
7h 51m
estimated nonstop flight time
+6h
time difference · heading east
See live CSY→OSN fares Phone-only fares on this route — call free
Flight time details
3,768 miles nonstop takes roughly 7h 51m gate to gate, flying east. 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
- CSY — Cheboksary Airport · Cheboksary, Russia
- OSN — Osan Air Base · Osan, 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 CSY
- JOK · Yoshkar-Ola Airport47 mi away
- KZN · Kazan International Airport82 mi away
- ULY · Ulyanovsk East Airport130 mi away
- ULV · Ulyanovsk Baratayevka Airport131 mi away
Near OSN
- ICN · Incheon International Airport41 mi away
- SWU · Suwon Airport10 mi away
- SSN · Seoul Air Base (K-16)25 mi away
- GMP · Gimpo International Airport35 mi away
Frequently asked questions
How far is CSY from OSN?
The flight distance from Cheboksary (CSY) to Osan (OSN) is 3,768 miles (6,064 km, 3,274 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CSY to OSN?
A nonstop flight takes about 7h 51m 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 Cheboksary and Osan?
Osan is 6 hours ahead of Cheboksary.
What is the cheapest way to fly from CSY to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CSY–OSN that never appear on search engines, with no booking fees.