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OSN to RME: distance & flight time
Osan (Osan Air Base) → Rome (Griffiss International Airport)
6,711 mi
10,800 km · 5,832 nm
13h 38m
estimated nonstop flight time
-14h
time difference · heading north
See live OSN→RME fares Phone-only fares on this route — call free
Flight time details
6,711 miles nonstop takes roughly 13h 38m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- RME — Griffiss International Airport · Rome, United States
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 RME
Frequently asked questions
How far is OSN from RME?
The flight distance from Osan (OSN) to Rome (RME) is 6,711 miles (10,800 km, 5,832 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to RME?
A nonstop flight takes about 13h 38m 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 RME?
Nonstop service on OSN–RME 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 13h 38m nonstop estimate.
What is the time difference between Osan and Rome?
Rome is 14 hours behind Osan.
What is the cheapest way to fly from OSN to RME?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–RME that never appear on search engines, with no booking fees.
Why are some OSN to RME fares phone-only?
Consolidator contracts let us sell certain OSN–RME 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.