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OSN to YHF: distance & flight time
Osan (Osan Air Base) → Hearst (Hearst René Fontaine Municipal Airport)
6,153 mi
9,902 km · 5,346 nm
12h 32m
estimated nonstop flight time
-13h
time difference · heading north
See live OSN→YHF fares Phone-only fares on this route — call free
Flight time details
6,153 miles nonstop takes roughly 12h 32m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time set-back when reading arrival times on your ticket.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- YHF — Hearst René Fontaine Municipal Airport · Hearst, Canada
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 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
Near YHF
- YYU · Kapuskasing Airport58 mi away
- YHN · Hornepayne Municipal Airport60 mi away
- YMG · Manitouwadge Airport107 mi away
- YCN · Cochrane Airport127 mi away
Frequently asked questions
How far is OSN from YHF?
The flight distance from Osan (OSN) to Hearst (YHF) is 6,153 miles (9,902 km, 5,346 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to YHF?
A nonstop flight takes about 12h 32m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from OSN to YHF?
Nonstop service on OSN–YHF depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 12h 32m nonstop estimate.
What is the time difference between Osan and Hearst?
Hearst is 13 hours behind Osan.
What is the cheapest way to fly from OSN to YHF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–YHF that never appear on search engines, with no booking fees.
Why are some OSN to YHF fares phone-only?
Consolidator contracts let us sell certain OSN–YHF tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.