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OSN to YSP: distance & flight time
Osan (Osan Air Base) → Marathon (Marathon Airport)
6,162 mi
9,917 km · 5,355 nm
12h 33m
estimated nonstop flight time
-13h
time difference · heading north
See live OSN→YSP fares Phone-only fares on this route — call free
Flight time details
6,162 miles nonstop takes roughly 12h 33m 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
- YSP — Marathon Airport · Marathon, 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 YSP
- YMG · Manitouwadge Airport32 mi away
- YGQ · Geraldton Greenstone Regional Airport76 mi away
- YHN · Hornepayne Municipal Airport78 mi away
- YXZ · Wawa Airport90 mi away
Frequently asked questions
How far is OSN from YSP?
The flight distance from Osan (OSN) to Marathon (YSP) is 6,162 miles (9,917 km, 5,355 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to YSP?
A nonstop flight takes about 12h 33m 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 Osan and Marathon?
Marathon is 13 hours behind Osan.
What is the cheapest way to fly from OSN to YSP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–YSP that never appear on search engines, with no booking fees.