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ROC to USN: distance & flight time
Rochester (Greater Rochester International Airport) → Ulsan (Ulsan Airport)
6,738 mi
10,844 km · 5,855 nm
13h 41m
estimated nonstop flight time
+13h
time difference · heading north
See live ROC→USN fares Phone-only fares on this route — call free
Flight time details
6,738 miles nonstop takes roughly 13h 41m 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
- USN — Ulsan Airport · Ulsan, 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 USN
- KPO · Pohang Airport (G-815/K-3)28 mi away
- PUS · Gimhae International Airport37 mi away
- TAE · Daegu Airport44 mi away
- CHF · Jinhae Airbase/Airport (G-813/K-10)48 mi away
Frequently asked questions
How far is ROC from USN?
The flight distance from Rochester (ROC) to Ulsan (USN) is 6,738 miles (10,844 km, 5,855 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ROC to USN?
A nonstop flight takes about 13h 41m 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 Ulsan?
Ulsan is 13 hours ahead of Rochester.
What is the cheapest way to fly from ROC to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ROC–USN that never appear on search engines, with no booking fees.