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RME to OSN: distance & flight time
Rome (Griffiss International Airport) → Osan (Osan Air Base)
6,711 mi
10,800 km · 5,832 nm
13h 38m
estimated nonstop flight time
+14h
time difference · heading north
See live RME→OSN 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 gain when reading arrival times on your ticket.
The two airports
- RME — Griffiss International Airport · Rome, United States
- 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 RME
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 RME from OSN?
The flight distance from Rome (RME) to Osan (OSN) 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 RME to OSN?
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 RME to OSN?
Nonstop service on RME–OSN 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 Rome and Osan?
Osan is 14 hours ahead of Rome.
What is the cheapest way to fly from RME to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RME–OSN that never appear on search engines, with no booking fees.
Why are some RME to OSN fares phone-only?
Consolidator contracts let us sell certain RME–OSN 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.