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ROC to OSN: distance & flight time
Rochester (Greater Rochester International Airport) → Osan (Osan Air Base)
6,682 mi
10,753 km · 5,806 nm
13h 34m
estimated nonstop flight time
+13h
time difference · heading north
See live ROC→OSN fares Phone-only fares on this route — call free
Flight time details
6,682 miles nonstop takes roughly 13h 34m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- ROC — Greater Rochester International Airport · Rochester, 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 ROC
- BUF · Buffalo Niagara International Airport55 mi away
- IAG · Niagara Falls International Airport64 mi away
- YYZ · Lester B. Pearson International Airport106 mi away
- YTR · CFB Trenton69 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 ROC from OSN?
The flight distance from Rochester (ROC) to Osan (OSN) is 6,682 miles (10,753 km, 5,806 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ROC to OSN?
A nonstop flight takes about 13h 34m 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 Rochester and Osan?
Osan is 13 hours ahead of Rochester.
What is the cheapest way to fly from ROC to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ROC–OSN that never appear on search engines, with no booking fees.